C31232233133313221211113313331333133313331212111133132213231311111   >>    C3123223313331322121111331333133313331333121211113313221323131111   <<    C31232233133313221211113313331333133313331212111133132213231311113   >>      C31232233133313221211113313331333133313331212111133132213231311112   >>