{
  "comments": {
    "new": "The whole 2nd track's pregap consists of scrambled data sectors.",
    "old": "Second track pregap is filled with scrambled data sectors."
  },
  "legacy": {
    "build_date": {
      "new": "1993-11",
      "old": "1993-11-19"
    }
  },
  "ring_codes": {
    "new": "SEGAT81015 R3D\tMFD BY JVC 12, 13",
    "old": "SEGAT81015\tR3D\tMFD BY JVC 12"
  }
}