## 19. Amazing - part 3

As you should have noticed the program doesn't work. What happens is that Reeborg gets in an infinite loop when there is no wall around him. We need to have him `move()` after turning right, as indicated below:

    def turn_right():
        repeat(turn_left, 3)

    put_beeper()
    move()
    while not on_beeper():
        if right_is_clear():
            turn_right()
            move()
        elif front_is_clear():
            move()
        else:
            turn_left()

    turn_off()

### More complicated world

Now, consider the world illustrated below. Will our program work?

As you probably guessed, unfortunately the answer is no. Try to figure out why before reading any further.

Amazing - part2 - - Amazing - part 4