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