#include <fstream>

using namespace std;
ifstream fin("tablete.in");
ofstream fout("tablete.out");
int a[1001][1001];
int main()
{
    int n,k,i,j,nr,cod;
    fin>>n>>k;
    nr=1;
    cod=1;
    for(i=1;i<=n;i++)
    {
        if(cod==0)
        {
            cod=1;
            for(j=2;j<k;j++)
            {
                a[i][j]=nr;
                nr++;
            }
        }
        else
        for(j=1;j<k;j++)
        {
            a[i][j]=nr;
            nr++;
        }
        if(i!=n)
        {
            if(nr%2==0){a[i][k]=nr;nr++;}
            else {a[i+1][1]=nr;a[i][k]=nr+1;nr=nr+2;cod=0;}
        }
        else
        {
            if(nr%2==0)
            {
                a[i][k]=nr;
                a[1][k+1]=nr+1;
                nr=nr+2;
            }
            else
            {
                a[1][k+1]=nr;
                a[i][k]=nr+1;
                nr=nr+2;
            }
        }
    }
    for(i=k+2;i<=n;i++)
    {
        a[1][i]=nr;
        nr++;
    }
    for(i=2;i<=n;i++)
    {
        for(j=k+1;j<=n;j++)
        {
            a[i][j]=nr;
            nr++;
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fout<<a[i][j]<<" ";
        }
        fout<<'\n';
    }
    fin.close();
    fout.close();
    return 0;
}