#include<fstream.h>
int main(){
	int i,n,k,r=0,j,y=1;
	ifstream f("tablete.in");
	f>>n>>k;
	ofstream g("tablete.out");
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
				if(j==k&&j%2!=0){
					r=1;
					g<<y+1<<" ";
				}
				else
					if(r==0)
						g<<y<<" ";
					else{
						r=0;
						g<<y-1<<" ";
				}
			y++;
		}
		g<<"\n";
	}
	g.close();
	return 0;
}