#include<stdio.h>

int n,i,k;
int a[1000000];

int main()

{
	
	freopen("tablete.in","r",stdin);
	freopen("tablete.out","w",stdout);
	
	scanf("%d",&n);
	scanf("%d",&k);
	
	if(k % 2 == 0 && n % 2 == 0)
	
		for(i=1;i<=n*n;i++)
		{
			printf("%d ",i);
			if(i % n == 0)
				printf("\n");
		}
	
	/*else
	{
		while(a[0] < n*n)
		{	
			if( (a[0] % k == 0) && i % 2 != 0)
			{
					a[a[0]++] = ++i;
					sarit = true;
			}
			else
				a[a[0]++] = i;
				
		*/	
		
	return 0;
	
}