C31232233133313221211113313331333133313331212111133133313113212312111   >>    C3123223313331322121111331333133313331333121211113313331311321231211   <<    C31232233133313221211113313331333133313331212111133133313113212312113   >>      C31232233133313221211113313331333133313331212111133133313113212312112   >>