C133323133112111133133313331333133313223331333133313331333123313222121   >>    C13332313311211113313331333133313331322333133313331333133312331322212   <<    C133323133112111133133313331333133313223331333133313331333123313222123   >>      C133323133112111133133313331333133313223331333133313331333123313222122   >>