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#define _CRT_SECURE_NO_WARNINGS
#include 
#include 
using namespace std;
int main()
{
    int n;

    cin >> n;
    if (n % 2 == 0)
    {
        cout << "要求N 为奇数" << endl;
        return 0;
    }
    int* cube = new int[n * n]{0};
    int x, y;
    x = 0;
    y = n / 2;
    cube[x * n + y] = 1;
        
    for (int k = 2; k <= n * n; k++)
    {
        if (x == 0 && y != n - 1)
        {
            x = n - 1; y += 1;
        }
        else if (x != 0 && y == n - 1)
        {
            x -= 1; y = 0;
        }
        else if (x == 0 && y == n - 1)
        {
            x += 1;
        }
        else if (x != 0 && y != n - 1)
        {
            if (cube[(x - 1) * n + (y + 1)] == 0)
            {
                x -= 1; y += 1;
            }
            else
            {
                x += 1;
            }
        }

        cube[x * n + y] = k;
    }
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            cout << setw(4) << cube[i * n + j] << " ";
        }
        cout << "" << endl;
    }
    
    return 0;
}