{
  "comments": {
    "new": "-12 offset disc: No MCN\n\nVolume Label: USNF"
  },
  "ring_codes": {
    "new": "585207 R1H IFPI L238 22 IFPI 4111\n585207 R2H IFPI L238 3 IFPI 4111\n585207 + + A5608-01 IFPI LB41 IFPI 1040",
    "old": "585207 R1H IFPI L238 22 IFPI 4111\n585207 R2H IFPI L238 3 IFPI 4111"
  }
}