C31232233133313221211113313331333133313331212111113331333131122313111   >>    C3123223313331322121111331333133313331333121211111333133313112231311   <<    C31232233133313221211113313331333133313331212111113331333131122313113   >>      C31232233133313221211113313331333133313331212111113331333131122313112   >>