#include <iostream>
#include <fstream>
using namespace std;
int N,K,v[1001][1001];

ifstream f("tablete.in");
ofstream g("tablete.out");

void cnk() {int p = N * K + 1; for (int i = 1; i <= N; i++) for (int j = K + 1; j <= N; j++) v[i][j] = p++; }
void kpar() {int x = 0; for (int i = 1; i <= N; i++) for (int j = 1; j <= K; j++) v[i][j] = ++x; cnk(); }
void write() {for (int i = 1; i <= N; i++) { for (int j = 1; j <= N; j++) g << v[i][j] << ' '; g << '\xA';} }

int main(){ f >> N >> K;

if (!(K % 2)) kpar(); write();
return 0;}