C111123313121111121111331333133313331323232133313331312113313331213113121   >>    C11112331312111112111133133313331333132323213331333131211331333121311312   <<    C111123313121111121111331333133313331323232133313331312113313331213113123   >>      C111123313121111121111331333133313331323232133313331312113313331213113122   >>