#include<stdio.h>
int n,k;
long long a[1001][1001];
int main()
	{
	FILE *f,*g;
	f=fopen("tablete.in","r");
	g=fopen("tablete.out","w");
	fscanf(f,"%d %d",&n,&k);
	if(n%2==0 && k%2==0)
		{
		long long contor=1;
		int i,j;
		for(i=1;i<=n;i++)
			{for(j=1;j<=n;j++)
				{fprintf(g,"%lld ",contor);
				contor++;
				}
			 fprintf(g,"\n");}
		}
	return 0;}