from typing import List
class Solution:
    def __init__(self):
        pass

    def draw(self, row: int, col: int) -> List[List[str]]:
        # 方向：右下左上
        dx = [0, 1, 0, -1]
        dy = [1, 0, -1, 0]

        pic = [['-1' for _ in range(col)] for _ in range(row)]
        x, y, d = 0, 0, 0
        num = 1
        while True:
            if num==col*row+1: break
            # 先把数填上
            pic[x][y] = str(num)
            num += 1

            # 计算下一个方向
            a = x+dx[d]; b = y+dy[d]

            # 判断下一个方向是否合法
            if a>=0 and a<row and b>=0 and b<col and pic[a][b]=='-1':   # 合法
               pass
            else:
                d = (d+1)%4
                a = x+dx[d]; b = y+dy[d]
            x = a; y = b

        return pic


if __name__ == '__main__':
    row, col = map(int, input().split())
    solution = Solution()
    res = solution.draw(row, col)
    a = [' '.join(_) for _ in res]
    for _ in a:
        print(_)