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