C111123313121111121111331333133313331323231333133313331333133112111113332112311   >>    C11112331312111112111133133313331333132323133313331333133313311211111333211231   <<    C111123313121111121111331333133313331323231333133313331333133112111113332112313   >>      C111123313121111121111331333133313331323231333133313331333133112111113332112312   >>