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

Game history:
Turn 1: gpt-4o proposed text with target items: ["james-bond007@example.co.uk","info@company.biz-info","2023/03/15","15.03.2023","INV12345-2023","ABC-6789-X"]
o3-mini - (high) provided pattern: james-bond007@example\.co\.uk|info@company\.biz-info|2023\/03\/15|15\.03\.2023|INV12345-2023|ABC-6789-X (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 handled with a single regex.
3. Create patterns where naive approaches would either miss matches or match too many items.
4. ADVANCED PATTERNS to consider:
   - Mixed formats (emails, phone numbers, dates wi... (truncated)