{
  "comments": {
    "new": "-12 and -22 offset discs: No MCN",
    "old": "-22 offset disc: No MCN"
  },
  "legacy": {
    "write_offset": {
      "new": "-22, -12, 0",
      "old": "-22, 0"
    }
  },
  "ring_codes": {
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    "old": "*2R* 906144\tB IFPI L433 A3 IFPI 7489\nRPP-CA CR30408 LIQUID BOOKS 6:WANDERING PATH-W\t906144\t16836-2"
  }
}