#include<fstream>
using namespace std; 
ifstream f("tablete.in");
ofstream g("tablete.out");
int k,n,i, ok=1, a[1005][1005], j;
int main()
{ f>>n>>k;
  if(k%2==0)
    { for(i=1; i<=n; ++i)
		for(j=1; j<=k; ++j) 
		{ a[i][j]=ok; ok++; }
     for(i=1; i<=n; ++i) 
		 for(j=k+1; j<=n; ++j)
			{ a[i][j]=ok; ok++; }
	}
  for(i=1; i<=n; ++i)
     for(j=1; j<=n; ++i) g<<a[i][j];	
  g.close(); return 0;
}