C31232233133313221211113313331333133313331212111133132322232232311   >>    C3123223313331322121111331333133313331333121211113313232223223231   <<    C31232233133313221211113313331333133313331212111133132322232232313   >>      C31232233133313221211113313331333133313331212111133132322232232312   >>