#include <fstream>


using namespace std;
ifstream in("tablete.in");
ofstream out("tablete.out");
int n,k,a[1001][1001],nr,i,j;
bool v[1000003];
int main()
{
    in>>n>>k;
    if(k%2==0)
    {
        for(i=1;i<=n;i++)
        {
            a[i][k]=i*k;
            v[i*k]=1;
        }
    }
    else
    {
        for(i=1;i<=n;i++)
        {
            a[i][k]=i*k+i%2;
            v[i*k+i%2]=1;
        }
    }
    nr=1;
    for(i=1;i<=n;i++)
    {
        j=1;
        while(j<k)
        {
            if(v[nr]==0)
            {
                a[i][j]=nr;
                v[nr]=1;
                nr++;
                j=j+1;
            }
            else
            {
                nr++;
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        j=k+1;
        while(j<=n)
        {
            if(v[nr]==0)
            {
                a[i][j]=nr;
                v[nr]=1;
                nr++;
                j=j+1;
            }
            else
            {
                nr++;
            }
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            out<<a[i][j]<<" ";
        }
        out<<'\n';
    }
    return 0;
}