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