You are playing the Regex Pattern Matcher game against gpt-4o-mini.

Game history:
Turn 1: gpt-4o-mini proposed text with target items: ["alice@example.com","bob@work-email.com","carol1234@sample.co.uk","+1-202-555-0173","(202) 555-0199","020 5555 0123","REF-987/654","ID-123-456","ID-789-X.Y.","12/25/2023","2023-12-25","25.12.23","ABCD12345","1234ABCD","1A2B3C4D"]
Llama 3.3 70B Instruct provided pattern: (alice@example.com|bob@work-email.com|carol1234@sample.co.uk|+1-202-555-0173|(202) 555-0199|020 5555 0123|REF-987/654|ID-123-456|ID-789-X.Y.|12/25/2023|2023-12-25|25.12.23|ABCD12345|1234ABCD|1A2B3C4D) (SUCCESS)

Current turn: 2 of 10
You are the PROPOSER.

Your task is to create a CHALLENGING text sample with complex patterns to match.
Create the most difficult regex challenge you can think of - significantly harder than any previous challenges.

Guidelines for creating a DIFFICULT challenge:
1. Use complex patterns that require advanced regex techniques to match.
2. Include multiple p... (truncated)