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  1. #include <assert.h>
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4. #include <iostream>
  5. #include <functional>
  6.  
  7. struct board {
  8. private:
  9.     static const int BOARD_SIZE = 8;
  10.  
  11.     // each queen is placed at { N, queen_on_row[N] }
  12.     // since there cannot be more than one queen on the same row
  13.     int queen_on_row[BOARD_SIZE];
  14. public:
  15.     int size() const {
  16.         return BOARD_SIZE;
  17.     }
  18.  
  19.     // Returns true if the queen on the specified row is not attacking any other
  20.     // queen ON ANY HIGHER ROW (it may be attacking any number of queens on the
  21.     // lower rows). This means that if is_valid_queen(N) for all 0 < N < size(),
  22.     // then no queen on the whole board is attacking any other queen (we have a solution).
  23.     bool is_valid_queen(int row) const {
  24.         assert(row >= 0 && row < BOARD_SIZE);
  25.  
  26.         int col = queen_on_row[row];
  27.  
  28.         for (int i = 0; i < row; ++i) { // checks only the rows ABOVE this one
  29.             int other_queen_col = queen_on_row[i]; // where the queen on row i is
  30.  
  31.             if (other_queen_col == col) {
  32.                 // queens are on the same column
  33.                 return false;
  34.             }
  35.  
  36.             if (abs(row - i) == abs(other_queen_col - col)) {
  37.                 // queens are on the same diagonal (doesn't matter which)
  38.                 return false;
  39.             }
  40.         }
  41.  
  42.         return true;
  43.     }
  44.  
  45.     void place_queen(int row, int col) {
  46.         assert(row >= 0 && row < BOARD_SIZE);
  47.         assert(col >= 0 && col < BOARD_SIZE);
  48.         queen_on_row[row] = col;
  49.     }
  50.  
  51.     // Helper function to print the board
  52.     std::ostream& print_at(std::ostream& os) const {
  53.         for(int row = 0; row < this->size(); ++row) {
  54.             os << "+";
  55.             for(int col = 0; col < this->size(); ++col) {
  56.                 os << "---+";
  57.             }
  58.             os << std::endl << "|";
  59.             for(int col = 0; col < this->size(); ++col) {
  60.                 os << (queen_on_row[row] == col ? " * |" : "   |");
  61.             }
  62.  
  63.             os << std::endl;
  64.         }
  65.  
  66.         os << "+";
  67.         for(int col = 0; col < this->size(); ++col) {
  68.             os << "---+";
  69.         }
  70.         os << std::endl;
  71.         return os;
  72.     }
  73. };
  74.  
  75. // Recursive function that solves the problem of placing a queen in a square
  76. // where it is not attacking any other queen placed on a higher row.
  77. void find_solutions_impl(struct board& board, std::function<void(const struct board&)> callback, int queens_placed) {
  78.     if (queens_placed == board.size()) {
  79.         // all queens have been placed successfully, we have a solution
  80.         callback(board);
  81.         return;
  82.     }
  83.  
  84.     // Try each column for the queen on this row
  85.     for(int queenCol = 0; queenCol < board.size(); ++queenCol) {
  86.         board.place_queen(queens_placed, queenCol);
  87.  
  88.         // If the placement of this queen conflicts with that of a
  89.         // queen placed earlier, there's no point in trying any harder
  90.         if(!board.is_valid_queen(queens_placed)) {
  91.             continue;
  92.         }
  93.  
  94.         // So far no queen attacks another. Try to place the next one.
  95.         find_solutions_impl(board, callback, queens_placed + 1);
  96.     }
  97. }
  98.  
  99. // Entry point that kicks off the recursion
  100. void find_solutions(struct board& board, std::function<void(const struct board&)> callback) {
  101.     find_solutions_impl(board, callback, 0);
  102. }
  103.  
  104. // Forwarding operator that prints the board
  105. std::ostream& operator <<(std::ostream& os, const board& board) {
  106.     return board.print_at(os);
  107. }
  108.  
  109. int main(int argc, char* argv[]) 
  110. {
  111.     struct board board;
  112.     int solutions_found = 0;
  113.     find_solutions(board, [&] (const struct board& b) { std::cout << "SOLUTION #" << (++solutions_found) << std::endl << b << std::endl; });
  114.     return 0;
  115. }
Success #stdin #stdout 0s 3064KB
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Standard input is empty
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SOLUTION #1
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #2
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #3
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #4
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #5
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #6
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #7
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #8
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #9
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #10
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #11
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #12
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #13
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #14
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #15
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #16
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #17
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #18
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #19
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #20
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #21
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #22
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #23
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #24
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #25
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #26
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #27
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #28
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #29
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #30
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #31
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #32
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #33
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #34
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #35
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #36
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #37
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #38
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #39
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #40
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #41
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #42
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+

SOLUTION #43
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #44
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #45
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #46
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #47
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #48
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #49
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #50
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #51
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #52
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #53
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #54
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #55
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #56
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #57
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #58
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #59
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #60
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+

SOLUTION #61
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #62
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #63
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #64
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #65
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #66
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #67
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #68
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #69
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #70
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #71
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+

SOLUTION #72
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+

SOLUTION #73
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #74
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #75
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #76
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #77
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #78
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+

SOLUTION #79
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #80
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #81
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #82
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #83
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #84
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #85
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #86
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #87
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #88
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #89
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #90
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #91
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+

SOLUTION #92
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   | * |
+---+---+---+---+---+---+---+---+
|   |   |   | * |   |   |   |   |
+---+---+---+---+---+---+---+---+
| * |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   | * |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   | * |   |   |
+---+---+---+---+---+---+---+---+
|   | * |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | * |   |
+---+---+---+---+---+---+---+---+
|   |   |   |   | * |   |   |   |
+---+---+---+---+---+---+---+---+
https://ideone.com/6Vagh
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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