Which episode of Detective Conan is this? There is a picture below~~Please give me the solution

411~412 The Amazing Secret Code of the Shrine Torii (Secret Code of the Shrine Torii) 2005/08/22, 2005/08/29 ┣Manga Volume 48.File1-3┫

Conan, the Young Detective Team and Xiao Ai followed Dr. Ali to the forest to collect insects. The doctor prepared the treasure in advance and gave everyone a code about the treasure: "Maru

Insects and tents."

Conan, Yuanta and others tried to unlock the code, but I've been working on it for a long time and still can't figure it out. While he was worrying, Conan received a text message from Xiaolan on his cell phone. It turned out that Xiaolan and Yuanzi were swimming at the beach at that time. A man was killed in the hotel where they were staying, and Xiaolan and others were also attacked, so they sent out a text message asking for help...

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Conan found out the person who took the bag from the text message sent by Yuanzi. He also used a voice changer to change into Shinichi's voice to keep in touch with Xiaolan and relay the incident analysis results in a timely manner.

At the same time, Xiaolan in the police station wanted to go back and explain to Conan. Xiaolan and Yuanzi witnessed the murder of Jianshan's friend again, and Jia Na drove Xiaolan and others back to the hotel.

Later, Conan successfully cracked Dr. Agasa's password... and discovered the true meaning of the remaining password "teiu" in Mianshan's room...