using namespace std;
#include<fstream>
ifstream f("tablete.in");ofstream g("tablete.out");
int n,k,x[1001][1001];

int main()
{
	int i,j,aux;
	f>>n>>k;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)x[i][j]=(i-1)*n+j;	
	if(n%2==0 && k%2)//n par si k impar
		//grupez cate doua linii si fac o rotire in sens trigonometric
		for(i=1;i<n;i+=2)
		{
			aux=x[i][1];
			for(j=1;j<n;j++)x[i][j]=x[i][j+1];
			x[i][n]=x[i+1][n];
			for(j=n;j>1;j--)x[i+1][j]=x[i+1][j-1];
			x[i+1][1]=aux;
		}	
	if(n%2);//n impar;
	for(i=1;i<=n;i++)	
	{
		for(j=1;j<=n;j++)g<<x[i][j]<<' ';
		//{g.width(4);g<<x[i][j]<<' ';}
		g<<'\n';
	}	
	f.close();
	g.close();
	return 0;
}