#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)

using std::cin;
using std::cout;
using std::set;
using std::vector;

int main() {
    int n;
    cin >> n;
    
    rep(i, n) {
        rep(j, n) cout << 1 << ' ';
        puts("");
    }
    
    return 0;
}