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