{"content":"I'm creating an exceptionally difficult challenge that combines multiple complex patterns:\n1. Mix of IPv6 addresses (both compressed and full forms) with similar-looking but invalid formats\n2. Complex product codes with strict format requirements\n3. Custom date formats with various separators and validation needs\n4. Look-alike patterns that should be excluded\nThis will require:\n- Careful handling of hex digits and colons in IPv6\n- Complex validation rules for the product codes\n- Proper handling of date validation including leap years\n- Negative lookarounds to avoid false matches\n- Precise pattern matching to exclude similar but invalid formats","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an exceptionally difficult challenge that combines multiple complex patterns:\\n1. Mix of IPv6 addresses (both compressed and full forms) with similar-looking but invalid formats\\n2. Complex product codes with strict format requirements\\n3. Cu... (truncated)