You are playing the Regex Pattern Matcher game against claude 3.5 sonnet.

Game history:
Turn 1: claude 3.5 sonnet proposed text with target items: ["2001:0db8:85a3:0000:0000:8a2e:0370:7334","2001:db8::1428:57ab","2001:db8:85a3::8a2e:370:7334","ABC-X1Y2-#9876-Z3/Q4","DEF-P5M6-#4321-N7/J8","29-02-2024|15:30 UTC","30-06-2024|08:15 UTC"]
claude 3.7 sonnet (high2) provided pattern: 2001:0db8:85a3:0000:0000:8a2e:0370:7334|2001:db8::1428:57ab|2001:db8:85a3::8a2e:370:7334|ABC-X1Y2-#9876-Z3\/Q4|DEF-P5M6-#4321-N7\/J8|29-02-2024\|15:30 UTC|30-06-2024\|08:15 UTC (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 reg... (truncated)