#include <stdio.h>
#include <vector>
#include <string.h>

using namespace std;

FILE *f,*g;
int i,j,n,m;

int main()
{
	f=fopen("tablete.in","r");
	g=fopen("tablete.out","w");
  fscanf(f,"%d %d\n",&n,&m);
	if((n%2==0) && (m%2==0))
		{
		  for(i=1;i<=n;i++)
				{
					for(j=1;j<=n;j++)
						fprintf(g,"%d ",n*(i-1)+j);
				  fprintf(g,"\n");
				}
		}
	fclose(f);   fclose(g);
  return 0;
}