{
  "comments": {
    "new": "ISBN: 0-7435-0343-0"
  },
  "error_count": {
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  },
  "legacy": {
    "write_offset": {
      "new": "-647"
    }
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  "ring_codes": {
    "new": "PSRM-021390\t3 IFPI L325 A03 IFPI 50F4"
  }
}