#include<iostream>
#include<fstream>
#define NMAX 1002

using namespace std;

ifstream fi("tablete.in");
ofstream fo("tablete.out");


int n,k,A[NMAX][NMAX],i,j,nr,viz[NMAX*NMAX];

int main()

{
	fi>>n>>k;
	nr=1;
	if(k%2==0)
		{
			for(i=0;i<n;i++)
				for(j=0;j<k;j++)
				{
					A[i][j]=nr;
					nr++;
				}
			for(i=0;i<n;i++)
				for(j=k;j<n;j++)
				{
					A[i][j]=nr;
					nr++;
				}
		}
		
	
	for(i=0;i<n;i++)
	{
		for(j=0;j<n;j++)
			fo<<A[i][j]<<" ";
		fo<<"\n";
	}
	fo<<"\n";
	
	/*for(j=0;j<n;j++)
		fo<<A[j][k-1]<<"\n";*/
	return 0;
}