{
  "comments": {
    "new": "ISBN: 0-4845-3259-1, 0-7845-3259-1",
    "old": "ISBN: 0-4845-3259-1"
  },
  "legacy": {
    "write_offset": {
      "new": "-12, 0",
      "old": "0"
    }
  },
  "ring_codes": {
    "new": "1230007 R4N IFPI L250 01 IFPI 4161\n7967 1230007\tD20218-08 O L388 IFPi 6100 23",
    "old": "1230007 R4N IFPI L250 01 IFPI 4161"
  }
}