#include <fstream>

using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int n,a[1010][1010],nr=0,k;
void umplere(int i1,int j1,int i2,int j2)
{
    for(int i=i1;i<=i2;i++)
    {
        for(int j=j1;j<=j2;j++)
        {
            a[i][j]=++nr;
        }
    }
}
int main()
{
    f>>n>>k;
    umplere(1,1,n,k);
    umplere(1,k+1,n,n);
    for(int i=2;i<=n;i++)
    {
        if(a[i][k]%2)
        {
            int aux;
            aux=a[i][k];
            a[i][k]=a[i-1][k+1];
            a[i-1][k+1]=aux;
        }
    }
    if(a[1][k]%2)
    {
        int aux;
        aux=a[1][k];
        a[1][k]=a[2][1];
        a[2][1]=aux;
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            g<<a[i][j]<<" ";
        }
        g<<"\n";
    }
    return 0;
}