* Maze.rur
{{{
def turn_right():
    repeat(turn_left,3)

while not on_beeper():
    if left_is_clear():
        turn_left()
        move()
    elif front_is_clear():
        move()
    elif right_is_clear():
        turn_right()
    else:
        repeat(turn_left,2)
pick_beeper()
turn_off()
}}}