C111123313121111121111331333133313113313232123313331333112312121   >>    C11112331312111112111133133313331311331323212331333133311231212   <<    C111123313121111121111331333133313113313232123313331333112312123   >>      C111123313121111121111331333133313113313232123313331333112312122   >>