#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("tablete.in");
ofstream fout("tablete.out");

int t[1002][1002];

int main()
{
    int n, k;
    fin >> n >> k;

    int nr = 0, aux;

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= k; j++)
            t[i][j] = ++nr;

    for (int i = 1; i <= n; i++)
        for (int j = k + 1; j <= n; j++)
            t[i][j] = ++nr;

    if (k & 1)
    {
        for (int i = 2; i <= n; i += 2)
        {
            aux = t[i][1];
            t[i][1] = t[i - 1][k];
            t[i - 1][k] = aux;
        }

        if (n % 2 == 1)
        {
            aux = t[n][k];
            t[n][k] = t[1][k + 1];
            t[1][k + 1] = aux;
        }
    }

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            fout << t[i][j] << " ";
        fout << "\n";
    }

    return 0;
}