#include <iostream>
#include <vector>
using namespace std;

int main()
{
    int n;
    cin >> n;
    vector <int> a;
    for (size_t i{ static_cast<size_t>(n) }; i > 0; i--)
    {
        a.push_back(i);
    }
    for (size_t i{ 2 }; i <= n; i++)
    {
        a.push_back(i);
    }
    //GOREN DEL
    size_t c{ 0 };
    for (size_t i{ 0 }; i < (n - 1); i++, c++)
    {
        for (size_t j{ 0 }; j < c; j++)
        {
            cout << a[j] << " ";
        }
        for (size_t j{ 0 }; j < a.size() - (2 * c) - 1; j++)
        {
            cout << a[i] << " ";
        }
        for (size_t j{ a.size() - 1 - c }; j < a.size(); j++)
        {
            cout << a[j] << " ";
        }
        cout << endl;
    }
    for (auto num : a)
    {
        cout << num << " ";   //SREDINA
    }
    cout << endl;
    //DOLEN DEL
    c = static_cast<size_t>(n-1);
    for (size_t i{ 1 }; i < n; i++, c--)
    {
        for (size_t j{ 0 }; j < c; j++)
        {
            cout << a[j] << " ";
        }
        for (size_t j{ 0 }; j < a.size() - 2 * c; j++)
        {
            cout << a[n- i - 1] << " ";
        }
        for (size_t j{ a.size() - c }; j < a.size(); j++)
        {
            cout << a[j] << " ";
        }
        cout << endl;
    }

    return 0;
}
//5 4 3 2 1 2 3 4 5
/*
4 4 4 4 4 4 4
4 3 3 3 3 3 4
4 3 2 2 2 3 4
4 3 2 1 2 3 4
4 3 2 2 2 3 4
4 3 3 3 3 3 4
4 4 4 4 4 4 4
*/