{"content":"I'm creating an extremely difficult challenge that combines multiple advanced regex techniques. This challenge includes:\n1. Product codes that look similar but have subtle validation rules (some valid, some invalid)\n2. IPv6 addresses with specific requirements (only those with exactly two consecutive zero segments)\n3. Time codes with timezone offsets in different formats\n4. Configuration strings with specific patterns and exceptions\n5. Various edge cases designed to break naive regex approaches\n\nThe target items require handling backreferences, negative lookahead/lookbehind, complex alternation, non-capturing groups, and precise character class definitions. A successful regex would need to handle all these cases without over-matching similar but invalid patterns.","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an extremely difficult challenge that combines multiple advanced regex techniques. This challenge includes:\\n1. Product codes... (truncated)