C31232233133313221211113313331333133313331212111133133313311221312311   >>    C3123223313331322121111331333133313331333121211113313331331122131231   <<    C31232233133313221211113313331333133313331212111133133313311221312313   >>      C31232233133313221211113313331333133313331212111133133313311221312312   >>