C111123313121111121111331333133313331323232133313331333133313311211212111   >>    C11112331312111112111133133313331333132323213331333133313331331121121211   <<    C111123313121111121111331333133313331323232133313331333133313311211212113   >>      C111123313121111121111331333133313331323232133313331333133313311211212112   >>