{
  "category": {
    "new": "Educational",
    "old": "Games"
  },
  "comments": {
    "new": "PC/Mac Hybrid\n\nVolume Label: MATHQUEST",
    "old": "PC/MAC Hybrid"
  },
  "error_count": {
    "new": "0"
  },
  "legacy": {
    "write_offset": {
      "new": "-22"
    }
  },
  "ring_codes": {
    "new": "C4858 MASTERED BY NIMBUS IFPI L15L IFPI 2413\nTechnicolor\tC1.1\t123962-01\tC4858 IFPI L891 IFPI 2T02",
    "old": "C4858 MASTERED BY NIMBUS IFPI L15L IFPI 2413"
  },
  "serial": {
    "new": "C4858"
  }
}