#include <fstream>

using namespace std;

ifstream fin("tablete.in");
ofstream fout("tablete.out");

int const nmax=1000;
int v[nmax+1][nmax+1];

int main () {
    int n,k;
    fin>>n>>k;

    int a=1;

    for (int i=1; i<=n; i++) {
        for (int j=1; j<=k; j++) {
             v[i][j]=a;
             a++;
        }
    }
    for (int i=1; i<=n; i++) {
        for (int j=k+1; j<=n; j++) {
             v[i][j]=a;
             a++;
        }
    }

    for (int i=1; i<=n-1; i++) {
        if (v[i][k]%2==1) {
            int x=v[i][k];
            v[i][k]=v[i+1][1];
            v[i+1][1]=x;
        }
    }

    if (v[n][k]%2==1) {
        int x=v[n][k];
        v[n][k]=v[1][k+1];
        v[1][k+1]=x;
    }

    for (int i=1; i<=n; i++) {
        for (int j=1; j<=n; j++) {
            fout<<v[i][j]<<" ";
        }
        fout<<"\n";
    }

    return 0;
}