#include <fstream>

using namespace std;

ifstream in( "tablete.in" );
ofstream out( "tablete.out" );

#define MAXN 1000

int answ[ MAXN + 1 ][ MAXN + 1 ];
int n, k;

void solve( )
{
    in >> n >> k;

    if( k % 2 == 0 )
    {
        for( int i = 1; i <= n; i++ )
        {
            for( int j = 1; j <= n; j++ )
            {
                answ[ i ][ j ] = ( i - 1 ) * n + j;
            }
        }
    }
//    else
//    {
//
//    }

    for( int i = 1; i <= n; i++ )
    {
        for( int j = 1; j <= n; j++ )
        {
            out << answ[ i ][ j ] << " ";
        }
        out << '\n';
    }
}

int main( )
{
    solve( );
    return 0;
}