C1111133313331323223313331333133313331323132232111133132333131223321   >>    C111113331333132322331333133313331333132313223211113313233313122332   <<    C1111133313331323223313331333133313331323132232111133132333131223323   >>      C1111133313331323223313331333133313331323132232111133132333131223322   >>