C111123313121111121111331333133313331323232133313331333133323133313233233121   >>    C11112331312111112111133133313331333132323213331333133313332313331323323312   <<    C111123313121111121111331333133313331323232133313331333133323133313233233123   >>      C111123313121111121111331333133313331323232133313331333133323133313233233122   >>