{"content":"I'm creating an extremely difficult challenge that combines:\n1. Complex email variations with special characters and uncommon TLDs\n2. ISBN numbers in different formats (10/13 digit with/without hyphens)\n3. Time ranges with optional AM/PM and timezone indicators\n4. Version numbers with various formats and constraints\n5. Custom identifiers with specific pattern requirements\n6. Tricky edge cases and near-matches that should be excluded\n\nThis challenge requires handling:\n- Multiple format variations for each pattern type\n- Special character escaping\n- Precise boundary matching\n- Complex negative lookaheads\n- Variable whitespace handling\n- Optional components","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an extremely difficult challenge that combines:\\n1. Complex email variations with special characters and uncommon TLDs\\n2. ISBN numbers in different formats (10/13 digit with/without hyphens)\\n3. Time ranges with optional AM/PM... (truncated)