#include <iostream>

using namespace std;

int main()
{
    int n,A[101][101];
    cin>>n;
    for(int i=1;i<=(n+1)/2;i++)
        for(int j=1;j<=(n+1)/2;j++)
        {
            if(i==j) A[i][j]=(n+1)/2;
            else if(i<j) A[i][j]=A[i][j-1]-1;
                 else A[i][j]=A[i-1][j]-1;
            A[i][n+1-j]=A[n+1-i][j]=A[n+1-j][n+1-i]=A[i][j];
        }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            cout<<A[i][j]<<" ";
        cout<<endl;
    }
    return 0;
}