#include <stdio.h>

FILE *f,*g;

long n,k,i,j,a[1001][1001],q=0;

int main()
{

 f=fopen("tablete.in","r");
 g=fopen("tablete.out","w");

 fscanf(f,"%ld %ld", &n, &k);
 fclose(f);

 for (i=1;i<=n;i++)
  for (j=1;j<=k;j++)
	{
	 q++;
	 a[i][j]=q;
	}
 if (k%2==1)
   for (i=1;i<=n-1;i=i+2)
	{
	 a[i][k]++;
	 a[i+1][1]--;
	}

 for (i=1;i<=n;i++)
  for (j=k+1;j<=n;j++)
	{
	 q++;
	 a[i][j]=q;
	}
 if (n%2==1 && k%2==1)
	{
	 a[1][k+1]--;
	 a[n][k]++;
	}

 for (i=1;i<=n;i++)
  {
   for (j=1;j<=n;j++)
	 fprintf(g,"%ld ", a[i][j]);
   fprintf(g,"\n");
  }

 fclose(g);

 return 0;
}