#include<iostream>
#include<fstream>
int a[1000][1000];
using namespace std;
int main (void)
{
	int n,m,i,k,c,j,s=0,p=1,l;
	fstream f,g; 
	f.open("tablete.in",ios::in);
	g.open("tablete.out",ios::out);
	f>>n>>k;
	if (k%2==0)
		{
			a[1][1]=1;
			for (i=2;i<=n;i++)
			 a[i][1]=a[i-1][1]+n;
			for (i=1;i<=n;i++)
				for (j=2;j<=n;j++)
					a[i][j]=a[i][j-1]+1;
		}
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			g<<a[i][j]<<" ";
		g<<'\n';
	}
}