Pola Persegi

import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt(), l = sc.nextInt();
        for (int i = 0; i < t; i++) {
            for (int j = 0; j < l; j++) {
                System.out.print(Math.min(Math.min(2 * i, 2 * (t - i - 1)), Math.min(2 * j, 2 * (l - j - 1))) + " ");
            }
            System.out.println();
        }
    }
}