#include <fstream>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int n,k,x,i,j,v[1001][1001];
int main()
{
    f >> n >> k;
    if(k % 2 == 0)
    {
        x = 0;
        for(i = 1; i <= n; ++i)
            for(j = 1; j <= k; ++j)
            {
                ++x;
                v[i][j] = x;
            }
        for(i = 1; i <= n; ++i)
            for(j = k+1; j <= n; ++j)
            {
                ++x;
                v[i][j] = x;
            }
    }
    else
    if(k % 2 != 0 && n % 2 == 0)
    {
        x = 0;
        for(i = 1; i <= n; i += 2)
        {
            for(j = 1; j < k; ++j)
            {
                ++x;
                v[i][j] = x;
            }
            ++x;
            v[i][k] = x + 1;
            v[i+1][1] = x;
            ++x;
            for(j = 2; j <= k; ++j)
            {
                ++x;
                v[i+1][j] = x;
            }
        }
        for(i = 1; i <= n; ++i)
            for(j = k+1; j <= n; ++j)
            {
                ++x;
                v[i][j] = x;
            }
    }
    else
    if(k % 2 != 0 && n % 2 != 0)
    {
        x = 0;
        for(i = 1; i < n; i += 2)
        {
            for(j = 1; j < k; ++j)
            {
                ++x;
                v[i][j] = x;
            }
            ++x;
            v[i][k] = x + 1;
            v[i+1][1] = x;
            ++x;
            for(j = 2; j <= k; ++j)
            {
                ++x;
                v[i+1][j] = x;
            }
        }
        x = (n - 1) * k;
        for(j = 1; j < k; ++j)
        {
            ++x;
            v[i][j] = x;
        }
        v[i][k] = n * k + 1;
        x = n * k + 1;
        for(i = 1; i <= n; ++i)
        {
            for(j = k+1; j <= n; ++j)
            {
                if(i == 1 && j == k + 1)
                    v[i][j] = n * k;
                else
                {
                    ++x;
                    v[i][j] = x;
                }
            }
        }
    }
    for(i = 1; i <= n; ++i)
    {
        for(j = 1; j <= n; ++j)
            g << v[i][j] << " ";
        g << '\n';
    }
    return 0;
}