C111123313121111121111331333133313113313232123313331323221121231   >>    C11112331312111112111133133313331311331323212331333132322112123   <<    C111123313121111121111331333133313113313232123313331323221121233   >>      C111123313121111121111331333133313113313232123313331323221121232   >>