#3

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

int main()
{
    short unsigned int n;
    cin >> n;
    int array[n][n];

    //fill
    for (int x = 0; x < n; x++) {
        for (int y = 0; y < n; y++) {
            array[x][y] = abs(y-x);
        }
    }

    //output
    for (int x = 0; x < n; x++) {
        for (int y = 0; y < n; y++) {
            cout<<array[x][y]<<" ";
        }
        cout<<endl;
    }


    return 0;

}