#include <iostream>
#include <iomanip>
using namespace std;
int main() {
    int n;
    cin>>n;
    int x[100][100]={0}; 
    for (int i=0;i<n;i++) {
       x[i][i]=1;
        for (int k=1;i+k<n;k++) {
           x[i][i+k]=k+1;
        }
    }
    for (int i=0;i<n;i++) {
        for (int j = 0; j < n; j++) {
            if (x[i][j] == 0) {
                cout << setw(5) << " ";
            } else {
                cout << setw(5) <<x[i][j];
            }
        }
        cout << endl;
    }
    
    return 0;
}
/**************************************************************
	Problem: 1204
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/