#include <iostream>
 
int main() {
    int rows = 6;
    int cols = 31;
 
    for (int i = 1; i <= rows; i++) {
        for (int j = 1; j <= cols; j++) {
            if (i == 1 || i == rows || j == 1 || j == cols) {
                std::cout << j << " ";
            } else {
                if (j % 2 == 1 && i % 2 == 1) {
                    std::cout << j << " ";
                } else {
                    std::cout << "  ";
                }
            }
        }
        std::cout << std::endl;
    }
 
    return 0;
}

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