C31232233133313221211113313331333133313331212111133133112213331121   >>    C3123223313331322121111331333133313331333121211113313311221333112   <<    C31232233133313221211113313331333133313331212111133133112213331123   >>      C31232233133313221211113313331333133313331212111133133112213331122   >>