C1111133313331323223313331333133313331323132232111133132333131323121   >>    C111113331333132322331333133313331333132313223211113313233313132312   <<    C1111133313331323223313331333133313331323132232111133132333131323123   >>      C1111133313331323223313331333133313331323132232111133132333131323122   >>