{
  "comments": {
    "new": "The first sector of Track 812 of \"TLTTLTJ150212-4 R2U1\" is replaced with EAN sector (in this case it's NOT the last sector of Track 80).\n\nThe first sector of Track 81 of \"TLTTLTJ150212-4 R2U1\" is replaced with EAN sector (in this case it's NOT the last sector of Track 80).",
    "old": "The first sector of Track 52 of \"TLTTLTJ150212-4\tR2VA\" is replaced with EAN sector (in this case it's NOT the last sector of Track 51)."
  },
  "legacy": {
    "write_offset": {
      "new": "-1670, -1626, -1531",
      "old": "-1626, -1531"
    }
  },
  "ring_codes": {
    "new": "TLTTLTJ150212-4\tR2U2\nTLTTLTJ150212-4\tR2VA\nTLTTLTJ150212-4\tR2U1",
    "old": "TLTTLTJ150212-4\tR2U2\nTLTTLTJ150212-4\tR2VA"
  }
}