C31232233133313221211113313331333133313331212111133133313132322333121   >>    C3123223313331322121111331333133313331333121211113313331313232233312   <<    C31232233133313221211113313331333133313331212111133133313132322333123   >>      C31232233133313221211113313331333133313331212111133133313132322333122   >>