#include<fstream>
using namespace std;
ifstream f("tablete.in"); ofstream g("tablete.out");
int n,k,nr,i,j,a[1001][1001];
int main()
{	f>>n>>k;
	if(k%2)
	{ 	if(n%2) a[1][k+1]=-1;
		for(i=1;i<=n;i++)
				if(i%2==1) a[i][k]=1; else a[i][1]=-1;
	}	
	for(i=1;i<=n;++i)
		for(j=1;j<=k;++j) ++nr, a[i][j]+=nr;
	for(i=1;i<=n;++i)
		for(j=k+1;j<=n;++j) ++nr, a[i][j]+=nr;
	for(i=1;i<=n;i++)
		{	for(j=1;j<=n;j++) g<<a[i][j]<<" ";
			g<<'\n';
		}
	g.close(); return 0;
}