C31232233133313221211113313331333133313331212111133221333232311   >>    C3123223313331322121111331333133313331333121211113322133323231   <<    C31232233133313221211113313331333133313331212111133221333232313   >>      C31232233133313221211113313331333133313331212111133221333232312   >>