#include <iostream>
#include <fstream>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int a[1001][1001],x;
int main()
{
    int n,k,i,j,x; f>>n>>k;
    if(k%2==0)
    {
    for(i=1;i<=n;i++)for(j=1;j<=k;j++)a[i][j]=k*(i-1)+j;
    for(i=1;i<=n;i++)for(j=k+1;j<=n;j++)a[i][j]=n*k+(n-k)*(i-1)+j-k;
    }
    else
      {
        for(i=1;i<=n;i++)
        if(i%2==1)
      {
          for(j=1;j<k;j++)a[i][j]=k*(i-1)+j;
          a[i][k]=k*i+1;
      }
      else
      {
          a[i][1]=k*(i-1);
          for(j=2;j<=k;j++)a[i][j]=k*(i-1)+j;
      }
      if(n%2==0)
        for(i=1;i<=n;i++)for(j=k+1;j<=n;j++)a[i][j]=n*k+(n-k)*(i-1)+j-k; else
      {
          a[1][k+1]=n*k;
          for(j=k+2;j<=n;j++)a[1][j]=n*k+j-k;
          for(i=2;i<=n;i++)for(j=k+1;j<=n;j++)a[i][j]=n*k+(n-k)*(i-1)+j-k;
      }
      }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            g<<a[i][j]<<" ";
        g<<'\n';
    }
    return 0;
}