#include <iostream>

using namespace std;
int A[101][101];
int main()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
        for(int j=i+1;i+j<n+1;j++)
            A[i][j]=A[j][i]=A[n+1-j][n+1-i]=A[n+1-i][n+1-j]=i;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            cout<<A[i][j]<<" ";
        cout<<endl;
    }
    return 0;
}