C31232233133313221211113313331333133313331212111133133112211231   >>    C3123223313331322121111331333133313331333121211113313311221123   <<    C31232233133313221211113313331333133313331212111133133112211233   >>      C31232233133313221211113313331333133313331212111133133112211232   >>