#include<fstream>

using namespace std;
ifstream fin("f.in");
ofstream fout("f.out");

int main()
{ int a[10][10], i, j, n, k;
  fin >> n;
  for ( i = 0; i < n; i++ )
	  for ( j = 0; j < n; j++ )
		  fin >> a[i][j];
for ( k = 0; k < n; k++ )
    { 
		for ( j = 0; j <= n - 1 - k; j++)
fout << a[k][j] << " ";
for ( i = k + 1; i < n; i++)
fout << a[i][n - k - 1] <<" ";
	}
	fin.close();
  fout.close();
  return 0;
}