{
  "comments": {
    "new": "ISBN: 0-7845-4671-1"
  },
  "ring_codes": {
    "new": "1909807A0 D4F\tR9A0S IFPI L240 01\nR9A1S\t1909807B1 D1R IFPI L241 01 IFPI 41D3\n1909807A1 D4F\tR9A0S IFPI L240 01\nR9A1S\t1909807B1 D4N IFPI L250 12 IFPI 4108",
    "old": "1909807A0 D4F\tR9A0S IFPI L240 01\n1909807B1 D1R\tR9A1S IFPI L241 01 IFPI 41D3\n1909807A1 D4F\tR9A0S IFPI L240 01\n1909807B1 D4N\tR9A1S IFPI L250 12 IFPI 4108"
  }
}