C111123313121111121111331333133313331333133313331333133313331323221333123331   >>    C11112331312111112111133133313331333133313331333133313331333132322133312333   <<    C111123313121111121111331333133313331333133313331333133313331323221333123333   >>      C111123313121111121111331333133313331333133313331333133313331323221333123332   >>