#include <fstream>

using namespace std;

ifstream f ("tablete.in");
ofstream g ("tablete.out");

int n, k, a[1005][1005];

int main()
{
    f >> n >> k;

    if (k % 2 == 0)
    {
        int val = 1;
        for (int i = 1; i <= n; ++i)
        {
            for (int j = 1; j <= k; ++j)
            {
                a[i][j] = val;
                ++val;
            }
        }

        for (int i = 1; i <= n; ++i)
        {
            for (int j = k+1; j <= n; ++j)
            {
                a[i][j] = val;
                ++val;
            }
        }
    }
    else
    {
        int val = 1;
        for (int i = 1; i <= n; ++i)
        {
            for (int j = 1; j <= k; ++j)
            {
                if (a[i][j] != 0) continue;
                if (j == k)
                {
                    if (val % 2 == 1)
                    {
                        if (i == n) a[1][k+1] = val;
                        else a[i+1][1] = val;
                        val++;
                    }
                    a[i][j] = val;
                }
                else a[i][j] = val;

                val++;
            }
        }

        for (int i = 1; i <= n; ++i)
            for (int j = k + 1; j <= n; ++j)
            {
                if (a[i][j] != 0) continue;
                a[i][j] = val;
                val++;
            }
    }

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            g << a[i][j] << " ";
        g << '\n';
    }
    return 0;
}