C133323133112111133133313331333133313223313331333133313311231211   >>    C13332313311211113313331333133313331322331333133313331331123121   <<    C133323133112111133133313331333133313223313331333133313311231213   >>      C133323133112111133133313331333133313223313331333133313311231212   >>