C31232233133313221211113313331333133313331212111113331312323131323111   >>    C3123223313331322121111331333133313331333121211111333131232313132311   <<    C31232233133313221211113313331333133313331212111113331312323131323113   >>      C31232233133313221211113313331333133313331212111113331312323131323112   >>