#include <fstream>

using namespace std;
ifstream cin("tablete.in");
ofstream cout("tablete.out");
int main()
{
    int n,k,i,j;
    cin >> n >> k;
    if (n % 2 == 0 && k % 2 == 0)
    {
        for (i = 1 ; i <= n ; i++)
        {
            for (j = 1 ; j <= n ; j++)
            {
                cout << (i - 1) * n + j << " ";
            }
            cout << '\n';
        }
    }
    return 0;
}