C111123313121111121111331333133313331333133313331333133313331323321233131   >>    C11112331312111112111133133313331333133313331333133313331333132332123313   <<    C111123313121111121111331333133313331333133313331333133313331323321233133   >>      C111123313121111121111331333133313331333133313331333133313331323321233132   >>