#include <iostream>
#include <fstream>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");

int main()
{
    int n,k, num=1, i, j;
    f>>n>>k;
    if(n%2==0 && k%2==0)
    {
        for(i=1; i<=n; i++)
        {
            for(j=1; j<=n; j++)
            {
                g<<num<<" ";
                num++;
            }
            g<<"\n";
        }
    }

    return 0;
}