{
  "comments": {
    "new": "-12 disc: No MCN"
  },
  "legacy": {
    "write_offset": {
      "new": "-12, 0",
      "old": "0"
    }
  },
  "ring_codes": {
    "new": "GZ N32820\tDMM 007398 IFPI LD01 IFPI 5J07\nGZ O11705\tDMM 007398 IFPI LD02",
    "old": "GZ N32820 DMM 007398 IFPI LD01 IFPI 5J07"
  }
}