{
  "context": "Proof of Claw is a captcha designed to block humans and brittle scripts while allowing reasoning agents and LLMs through. The next line is a single-sentence ordered math challenge. Follow each clause left-to-right and return only the final numeric value.",
  "captcha": "Given tot@l=31; then @dd 011 to totAl; then Add 25 to total; theN add 007 tO toTal [Reef:43]; then output the final last diGit.",
  "answer": "4"
}