#include <fstream>

using namespace std;

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

int n,k,i,j,a[1001][1001];

int main()
{
    fin >> n >> k;
    if (k%2 == 0)
    {
        int contor = 1;
        for (i=1; i<=n; i++)
            for (j=1; j<=k; j++)
                a[i][j] = contor, contor++;
        for (i=1; i<=n; i++)
            for (j=k+1; j<=n; j++)
                a[i][j] = contor, contor++;
    }
    else
    {
        int contor = 0;
        for (i=1; i<n; i++)
            for (j=1; j<=k; j++)
            {
                contor++;
                if (a[i][j] == 0)
                {
                    if (j < k)
                        a[i][j] = contor;
                    else
                        if (contor % 2 == 1)
                        {
                            a[i+1][1] = contor;
                            a[i][j] = contor+1;
                        }
                        else
                            a[i][j] = contor;
                }
            }
        for (j=1; j<k; j++)
        {
            contor++;
            if (a[n][j] == 0)
                a[n][j] = contor;
        }
        if ((contor+1)%2 == 0)
        {
            contor++;
            a[n][k] = contor;
        }
        else
        {
            contor++;
            a[1][k+1] = contor;
            contor++;
            a[n][k] = contor;
        }
        for (i=1; i<=n; i++)
            for (j=k+1; j<=n; j++)
                if (a[i][j] == 0)
                {
                    contor++;
                    a[i][j] = contor;
                }
    }
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
            fout << a[i][j] << " ";
        fout << "\n";
    }
    return 0;
}