#include <bits/stdc++.h>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
const int NMAX=1005;
int n,k,nr=1,a[NMAX][NMAX];
bool ok;
int main()
{
    f>>n>>k;
    if(k%2==0)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=ok+1;j<=n;j++)
                {
                    if(j==k)
                    {
                        if(nr%2==0)
                           a[i][j]=nr;
                        else
                            a[i+1][1]=nr,a[i][j]=nr+1,nr++;
                    }
                    else
                        a[i][j]=nr;
                    nr++;
                }
            if(a[i+1][1]!=0)
                ok=1;
            else
                ok=0;
        }
    }
    else
    {
        for(int i=1;i<n;i++)
        {
            for(int j=ok+1;j<=n;j++)
                {
                    if(j==k)
                    {
                        if(nr%2==0)
                           a[i][j]=nr;
                        else
                            a[i+1][1]=nr,a[i][j]=nr+1,nr++;
                    }
                    else
                        a[i][j]=nr;
                    nr++;
                }
            if(a[i+1][1]!=0)
                ok=1;
            else
                ok=0;
        }
        a[n][ok+1]=a[n-1][n];
        for(int j=ok+2;j<=n;j++)
        {
            a[n][j]=nr;
            nr++;
        }
        a[n-1][n]=nr;
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            g<<a[i][j]<<" ";
        g<<"\n";
    }
    return 0;
}