#include <iostream>
#include <fstream>
using namespace std;

ifstream fin("date.in");
ofstream fout ("date.out");
int n,a[51][51],i,j;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>a[i][j];
    for(i=n/2+1;i<n;i++)
        for(j=1;j<=n;j++)
            a[i][j]=a[i+1][j];
    for(j=n/2+1;j<n;j++)
        for(i=1;i<=n;i++)
            a[i][j]=a[i][j+1];
    for(i=1;i<=n-1;i++)
        {for(j=1;j<=n-1;j++)
            fout<<a[i][j]<<" ";
        fout<<endl;}
    return 0;
}