#include <iostream>
#include <vector>

using namespace std;

int main() {
    int n;
    cin >> n;
    if(n<1 || n>20) {
        cout << "-1" << endl;
        return -1;
    }

    if(n==1) cout << "1" << endl;
    else if(n==2) cout << "1" << endl << "1 1" << endl;
    else {
        vector<vector<int>> mat(n, vector<int>(n));
        for(int i = 0; i < n; i++) {
            for(int j = 0; j <= i;j++) {
                if(j==0||j==i) mat[i][j] = 1;
                else mat[i][j] = mat[i-1][j-1] + mat[i-1][j];
            }
        }
        for(int i = 0; i < n; i++) {
            for(int j = 0; j < (i+1);j++) {
                cout << mat[i][j] << " ";
            }
            cout << endl;
        }
    }
}