#include <iostream>
#include <fstream>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int a[1000][1000];

int main()
{
    int n,k,i,j,c=2,aux;
    f>>n>>k;
    for(i=1; i<=n; i++)
        for(j=1; j<=n; j++)
        {
            a[i][j]=c;
            c++;
        }
    for(i=1;i<=n;i++)
      {
          if(a[i][k]%2==1)
          {
              aux=a[i][k];
              a[i][k]=a[i][k+1];
              a[i][k+1]=aux;
          }
      }
    a[n][n]=1;
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
            g<<a[i][j]<<" ";
        g<<endl;
    }
    return 0;
}