{
  "comments": {
    "new": "-12 offset disc: No MCN"
  },
  "legacy": {
    "write_offset": {
      "new": "-12, 0",
      "old": "0"
    }
  },
  "ring_codes": {
    "new": "*2R* 906106\tB IFPI L433 A6 IFPI 7481\n*1R*\t906106\tB IFPI L434 A2",
    "old": "*2R* 906106\tB IFPI L433 A6 IFPI 7481"
  }
}