#include <iostream>
#include <fstream>
using namespace std;

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

int n, k, b[1010][1010], cnt = 1, ultl, l = 1;
bool a[1000500];

void rez()
{
    f>>n>>k;
    a[0] = 1;
    for(int i = 1; i<=n; i++)
    {
        for(int j = 1; j<=k; j++)
        {
            while(true)
            {
                if(a[l] == 0 && cnt < k)
                {
                    a[l] = 1;
                    cnt++;
                    b[i][j] = l;
                    ultl = l;
                    l++;
                    break;
                }
                else if(a[l] == 0 && cnt == k && l % 2 == 0)
                {
                    a[l] = 1;
                    b[i][j] = l;
                    cnt = 1;
                    l = ultl;
                    l++;
                    break;
                }
                l++;
            }
        }
    }
    for(int i = 1; i<=n; i++)
    {
        for(int j = k + 1; j<=n; j++)
        {
            while(true)
            {
                if(a[l] == 0)
                {
                    b[i][j] = l;
                    a[l] = 1;
                    l++;
                    break;
                }
                l++;
            }
        }
    }
}

void afisare()
{
    for(int i = 1; i<=n; i++)
    {
        for(int j = 1; j<=n; j++)
        {
            g<<b[i][j]<<" ";
        }
        g<<"\n";
    }
}

int main()
{
    rez();
    afisare();
    return 0;
}