C111123313121111121111331333133313331333133313331333133313331323321111321   >>    C11112331312111112111133133313331333133313331333133313331333132332111132   <<    C111123313121111121111331333133313331333133313331333133313331323321111323   >>      C111123313121111121111331333133313331333133313331333133313331323321111322   >>