#include <iostream>
#include <iomanip>
using namespace std;
short cnt = 1,a[31][31],n,mcnt;
int main()
{
    cin >> n;
    if (n == 1)
    {
        cout << 1;
        return 0;
    }
    for(int i = 1;i <= n;i++)
    	mcnt += i;
    a[n - 1][0] = 1;
    short x = n - 2,y = 0,xx = n - 3;
    while(cnt <= mcnt)
    {
        a[x][y] = ++cnt;
        if (x == n - 1)
        {
            x = xx;
            y = 0;
            xx--;
        }
        else
        {
            x++;
            y++;
        }
    }
    for (int i = 0;i < n;i++)
    {
        for (int j = 0;j < i + 1;j++)
            cout << setw(4) << a[i][j];
        cout << endl;
    }
    return 0;
}