#include <iostream>
#include <vector>

using namespace std;

int main() {
    int n;
    cin >> n;

    vector ans(n, vector(n,0));
    for (int i=0; i<n; i++) {
        ans[i][i] = i+1;
        for (int j=1; j<n; j++) {
//            cerr<<i<<" "<<j<<" "<<(i-j+n)<<endl;
            ans[i][(i-j+n)%n] = ((i+j+1)%n==0? n : (i+j+1)%n);
        }
    }

    for (int i=0; i<n; i++) {
        for (int j=0; j<n; j++) {
            cout << ans[i][j] << (j==n-1? "\n" : " ");
        }
    }
}

/*
 * 1 5 4 3 2
 * 3 2 1 5 4
 * 5 4 3 2 1
 * 2 1 5 4 3
 * 4 3 2 1 5
 */