C111123313121111121111331333133313331333133313331333133313331333132333212111   >>    C11112331312111112111133133313331333133313331333133313331333133313233321211   <<    C111123313121111121111331333133313331333133313331333133313331333132333212113   >>      C111123313121111121111331333133313331333133313331333133313331333132333212112   >>