#include <bits/stdc++.h>

using namespace std;

const int Nmax=1005;

int mat[Nmax][Nmax];

int main()
{
    ifstream fin("tablete.in");
    ofstream fout("tablete.out");
    int n,k,val=0;
    fin>>n>>k;
    for (int i=1; i<=n; ++i) {
        for (int j=1; j<=k; ++j) mat[i][j]=++val;
    }
    for (int i=1; i<=n; ++i) {
        for (int j=k+1; j<=n; ++j) mat[i][j]=++val;
    }
    if (k%2==1) {
        if (n%2==1) swap(mat[1][k+1],mat[n][k]);
        for (int i=1; i<n; i+=2) swap(mat[i][k],mat[i+1][1]);
    }
    for (int i=1; i<=n; ++i) {
        for (int j=1; j<=n; ++j) fout<<mat[i][j]<<' ';
        fout<<'\n';
    }
    fin.close();
    fout.close();
    return 0;
}