#include <algorithm>
#include <vector>
#include <iostream>
 
 
int main()
{
   int A = 6;
   int l = 2*A - 1;
   std::vector< std::vector<int> > ar(l, std::vector<int>(l)); // fixed
 
   for(int i = 0; i<(2*A - 1); i++)
       {
        for (int j = 0; j<(2*A - 1); j++)
        {
            int h = std::max(abs(A - i + 1),abs(A - j + 1));
            ar[i][j] = h+1;
        }
 
       }
   for(const auto& vec: ar)
   {
      for(const auto& it: vec)
         std::cout << it << " ";
      std::cout << std::endl;
   }
   return 0;
}
 

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