#include <iostream>

using namespace std;

int a[1000][1000];

int main() {
    int n;
    cin >> n;
    int m = n*2 + 1;
    int c = m*m;
    for (int i = 0; i < n; ++i) {
        for (int j = i + 1; j <= m - i; ++j) {
            a[j][m - i] = --c;
        }
        for (int j = m - i - 1; j >= i + 1; --j) {
            a[m - i][j] = --c;
        }
        for (int j = m - i - 1; j >= i + 1; --j) {
            a[j][i + 1] = --c;
        }
        for (int j = i + 2; j <= m - i - 1; ++j) {
            a[i + 1][j] = --c;
        }
    }
    for (int i = 1; i <= m; ++i) {
        for (int j = 1; j <= m; ++j) {
            int len = 0;
            int x = a[i][j];
            if (x == 0)
                len = 1;
            while (x) {
                len++;
                x /= 10;
            }
            while (len++ < 3) {
                cout << ' ';
            }
            cout << a[i][j];
        }
        cout << endl;
    }
    return 0;
}