C111123313121111121111331333133313331323232133313331333133112121111132332311   >>    C11112331312111112111133133313331333132323213331333133313311212111113233231   <<    C111123313121111121111331333133313331323232133313331333133112121111132332313   >>      C111123313121111121111331333133313331323232133313331333133112121111132332312   >>