C111123313121111121111331333133313331323231333133313331333133112111113322221   >>    C11112331312111112111133133313331333132323133313331333133313311211111332222   <<    C111123313121111121111331333133313331323231333133313331333133112111113322223   >>      C111123313121111121111331333133313331323231333133313331333133112111113322222   >>