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  "submitter": "David Renshaw",
  "created_at": "2026-08-26 21:48:54",
  "comments": [
    {
      "author": "David Renshaw",
      "created_at": "2026-08-26 21:48:54",
      "content": "Improved word 405 from length 37 to 2451 in a focused ten-minute randomized backjumping and mobility-restart search, preserving the exact alphabet {0,4,9,11,12,17}. Independently reverified before submission."
    }
  ]
}