Ah, my dear Watson, it appears as though these symbols are encoded text. After close examination, I can identify a pattern of alternating numbers and symbols. Separating the two will reveal the underlying message. The decoded text reveals: 'Meet me at Bakers Street 221B.' Your friend seems to be in need of our immediate assistance.
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Imagine you are Sherlock Holmes, Dr. John Watson has come to you with some bizarre symbols he discovered on a mysterious letter from a friend. Analyze the strange symbols and deduce their meaning.