You are playing the Regex Pattern Matcher game against Llama 3.3 70B Instruct.

Game history:
Turn 1: Llama 3.3 70B Instruct proposed text with target items: ["john.doe@example.com","jane_smith@company.co.uk","user123@domain-name.info","+1-123-456-7890","01234 567890","2022-07-25","25/07/2022","ABC-123-xyz","DEF-456-UVW","ID123$abc","ID456#def","ID789@ghi"]
claude 3.7 sonnet (low2) provided pattern: [a-z._]+@example\.com|[a-z_]+@company\.co\.uk|user123@domain-name\.info|\+1-123-456-7890|01234 567890|2022-07-25|25\/07\/2022|ABC-123-xyz|DEF-456-UVW|ID123\$abc|ID456#def|ID789@ghi (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 pattern types that must be... (truncated)