C111112111133131121133133313331333133311221123121111331323223213331322321   >>    C11111211113313112113313331333133313331122112312111133132322321333132232   <<    C111112111133131121133133313331333133311221123121111331323223213331322323   >>      C111112111133131121133133313331333133311221123121111331323223213331322322   >>