(tortoise-move 100)
(tortoise-turn 60)
(tortoise-move 100)
(tortoise-turn 60)
(tortoise-move 100)
(tortoise-turn 60)
(tortoise-move 100)
(tortoise-turn 60)
(tortoise-move 100)
(tortoise-turn 60)
(tortoise-move 100)
(tortoise-turn 60)

