#include<fstream>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int a[1005][1005],n,k,i,j,nr;
int main()
{
    f>>n>>k;
    if(k%2==0)
    {
        for(i=1;i<=n;i++)
          for(j=1;j<=k;j++)
          {
              nr++;
              a[i][j]=nr;
          }
        for(i=1;i<=n;i++)
          for(j=k+1;j<=n;j++)
          {
              nr++;
              a[i][j]=nr;
          }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
          g<<a[i][j]<<" ";
        g<<"\n";
    }
}