#include <iostream>
#include <fstream>

using namespace std;
ifstream in ("tablete.in");
ofstream out ("tablete.out");
int n,k,h,i,j,s,f;
int main()
{
in>>n;
in>>k;
if(n%2==0&&k%2==0)
{h=1;for(i=1;i<=n;i++)
    {for(j=1;j<=n;j++,h++)out<<h<<" ";

    out<<"\n";

    }

}

if(n%2==0&&k%2==1)
{s=1;
f=n*2;
    for(i=0;i<n;i=i+2)
    {for(j=s+1;j<s+n;j++)out<<j<<" ";
        out<<n*2+s-1<<"\n";
        out<<"1 ";for(j=s+n;j+1<s+n*2;j++)out<<j<<" ";
        out<<"\n";
    s=s+n*2;    }

}


    return 0;
}