#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define MOD 666013
using namespace std;
typedef long long ll;
typedef pair< int , int > PII;

int n, m, a[1005][1005], last = 0, cnt = 1;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    ifstream cin("tablete.in");
    ofstream cout("tablete.out");

    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j < m; j++) {
            if (last) a[i][j] = last, last = 0;
            else a[i][j] = cnt++;
        }

        if (cnt & 1) {
            last = cnt++;
        } 

        a[i][m] = cnt++;
    }

    for (int i = 1; i <= n; i++)
        for (int j = m + 1; j <= n; j++)
            if (last) a[i][j] = last, last = 0;
            else a[i][j] = cnt++;

    for (int i = 1; i <= n; i++, cout << "\n")
        for (int j = 1; j <= n; j++, cout << " ")
            cout << a[i][j];
	return 0;
}