#include<fstream>
#include<algorithm>
#include<iostream>

using namespace std;
ifstream fin("tablete.in");
ofstream fout("tablete.out");
int i,j,n,k,ok,v[1010][1010],nr;

int main()
{
    fin>>n>>k;
    ok=1;
    if(k%2==1)
    {
        ok=1;
        for(i=1;i<=n;i+=2)
        {
            for(j=1;j<k;j++)
            {
                v[i][j]=ok;
                ok++;
            }
            v[i][j]=ok+1;
            j=1;
            if(i+1<=n)
            {
                v[i+1][j++]=ok;
                v[i+1][j]=ok+2;
                ok+=3;
                for(j=3;j<=k;j++)
                {
                    v[i+1][j]=ok;
                    ok++;
                }
            }
            else
            {
                ok++;
                nr=1;
            }
        }
        for(i=1;i<=n;i++)
            for(j=k+1;j<=n;j++)
            {
                v[i][j]=ok;
                ok++;
            }
        if(nr==1)
            v[1][k+1]--;
    }
    if(k%2==0)
    {
        for(i=1;i<=n;i++)
            for(j=1;j<=k;j++)
            {
                v[i][j]=ok;
                ok++;
            }
        for(i=1;i<=n;i++)
            for(j=1+k;j<=n;j++)
            {
                v[i][j]=ok;
                ok++;
            }
    }

    for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
                fout<<v[i][j]<<" ";
            fout<<"\n";
        }
    fin.close();
    fout.close();
    return 0;
}