C111123313121111121111331333133313331323232133313331333121211211   >>    C11112331312111112111133133313331333132323213331333133312121121   <<    C111123313121111121111331333133313331323232133313331333121211213   >>      C111123313121111121111331333133313331323232133313331333121211212   >>