> ((put-mark get-mark step put-mark turn-left turn-left step turn-left turn-left put-mark get-mark step get-mark step put-mark turn-left turn-left step turn-left turn-left turn-left turn-left step turn-left turn-left put-mark) (((w w w w w w) (w 0 1 0 1 w) (w w w w w w)) (4 1) west))
>