def place_soldiers(n, arena, agents):
    x = 0
    y = 0
    for i in range(n):
        agents[(i + 1)] = HAgent([x, y])
        arena.arena[(x, y)] = 1
        y += 2
    return (arena, agents)
def place_soldiers(n, arena, agents):
    x = 0
    y = 0
    for i in range(n):
        agents[(i + 1)] = HAgent([x, y])
        arena.arena[(x, y)] = 1
        y += 2
    return (arena, agents)