#include<stdio.h>
int main()
{
	int x,o,v,m=0,N,p,nr=1;
	freopen("tablete.in","r",stdin);
	freopen("tablete.out","w",stdout);
	scanf("%d%d",&N,&p);
	for(v=1;v<N;++v)
	{
		for(o=1;o<=N;++o,nr++)
		{
			if(o==p && nr%2==1)
			{
				m++;
				x=nr;
				++nr;
			}
			printf("%d ",nr);
		}
		printf("\n");
	}
	printf("%d ",x);
	for(m=1;m<N;++m,nr++)
		printf("%d ",nr);
	printf("\n");
	return 0;
}