#include <iostream>
#include <fstream>
using namespace std;
int v[1001][1001];
int n,k;
int main()
{
    ifstream in("tablete.in");
    ofstream out("tablete.out");
    in>>n>>k;
    int i,j,l;
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            v[i][j]=j+(i-1)*n;
        }
    }

    for (i=1;i<n;i++)
    {
        l=v[i][k];
        if (l%2==1)
    {
        for (j=k;j<=n;j++)
    {
        v[i][j]++;
    }
    v[i+1][1]=l;
    }
    }
    l=v[i][k];
    if (l%2==1)
    {
    for (j=k;(--v[i][j])==v[i][j-1];j--)
    ;
    v[i-1][n]=l;
    }
    /*cout<<"\n";
        for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            cout<<v[i][j]<<" ";
        cout<<"\n";
    }*/
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            out<<v[i][j]<<" ";
        out<<"\n";
    }
}