C31232233133313221211113313331333133313331212111133133313311211331232133222311   >>    C3123223313331322121111331333133313331333121211113313331331121133123213322231   <<    C31232233133313221211113313331333133313331212111133133313311211331232133222313   >>      C31232233133313221211113313331333133313331212111133133313311211331232133222312   >>