#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;

    for(int i = 0; i < n * 2 + 1; ++i)
    {
        for(int j = 0; j < n * 2 + 1; ++j)
        {
            int d = abs(i - n) + abs(j - n);
            if(d > n) cout << "  ";
            else cout << n - d << " ";
        }
        cout << endl;
    }


    return 0;    
}