C13332313311211113313331333133313331323321333133313113313223331333121   >>    C1333231331121111331333133313331333132332133313331311331322333133312   <<    C13332313311211113313331333133313331323321333133313113313223331333123   >>      C13332313311211113313331333133313331323321333133313113313223331333122   >>