#include<fstream.h>
//using namespace std;
int x[100][100],i,j,k,l,m,n,aux;
ifstream f("tablete.in");
ofstream g("tablete.out");
int main(){
f>>n>>k;
if(n%2==0&&k%2==0)
        {m=1;
        for(i=1;i<=n;i++)
	{for(j=1;j<=n;j++)
	       {g<<m<<" ";
		 m++;}
       g<<'\n';
       }}
else
if(n%2==0&&k%2!=0)
	{m=1;l=k;
	for(i=1;i<n;i++)
		{m=n*(i-1)+1;
		//aux=m+k-1;
		for(j=1;j<k;j++)
			{g<<m<<" ";m++;}
		aux=m+n;
	       m++;
	       for(j=k;j<n;j++)
			{g<<m<<" ";m++;}
	       g<<aux;
	       g<<'\n';
	       }
       g<<l<<" ";
       m=n*(i-1)+1;
       for(j=1;j<k;j++)
		{g<<m<<" ";
		m++;}
      m++;
      for(j=k;j<n;j++)

		{g<<m<<" ";m++;
     }}
else
if(n%2==1&&k%2==0)
	{l=n+k;
	for(i=1;i<(n-1);i++)
		{if(i%2==1)
			{m=n*(i-1)+1;
			for(j=1;j<=n;j++)
				{g<<m<<" ";m++;}
			}
		else
			{m=n*(i-1)+1;
			for(j=1;j<k;j++)
				    {g<<m<<" ";m++;}
			aux=m+2*n;
			m++;
			for(j=k;j<n;j++)
				{g<<m<<" ";m++;}
			g<<aux;}
		g<<'\n';
		}
	g<<l<<" ";
	for(j=1;j<k;j++)
		{g<<m<<" ";m++;}
	m++;
	for(j=k;j<n;j++)
		{g<<m<<" ";m++;}
	g<<'\n';
	for(j=1;j<=n;j++)
		{g<<m<<" ";m++;}
	}
else
{l=k;
for(i=1;i<n;i++){
	if(i%2==1)
		{m=n*(i-1)+1;
		for(j=1;j<k;j++)
			{g<<m<<" ";m++;}
		aux=m+2*n;
		m++;
		for(j=k;j<n;j++)
			{g<<m<<" ";m++;}
		g<<aux;}
	else
		{m=n*(i-1)+1;
		for(j=1;j<=n;j++)
			{g<<m<<" ";m++;}
		}
	g<<'\n';
	}
	g<<l<<" ";
	for(j=1;j<k;j++)
		{g<<m<<" ";m++;}
	m++;
	for(j=k;j<n;j++)
		{g<<m<<" ";m++;}
	}
f.close();
g.close();
return 0;
}