{
  "comments": {
    "new": "ISBN: 1-57629-495-1"
  },
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      "new": "-22, -12",
      "old": "-12"
    }
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  "ring_codes": {
    "new": "CDW5810480 R1J\tA IFPI L239 12 IFPI4121\nFUTURE MEDIA \\ CA\tFM 18387 (CD-W58-1048-0/IN0002) IFPI LG32 IFPI 3V13",
    "old": "CDW5810480 R1J\tA IFPI L239 12 IFPI4121"
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}