#include <bits/stdc++.h>
using namespace std;
int main(){
    int N;
    cin >> N;
    vector<vector<int>> c(N, vector<int>(N));
    for(int i = 0; i < N; i++){
        if(i < N / 2) c[i][N - 1 - i] = 1;
        else c[i][N - 1 - i] = 2;
        for(int j = N - 1; j > N - 1 - i; j--)  c[i][j] = 2;
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++) cout << c[i][j];
        cout << endl;
    }
}