{
  "comments": {
    "new": "Rev 7",
    "old": "\"FFTFTAT10423-8 R4Y9\" -- typo?\n\nRev 7"
  },
  "ring_codes": {
    "new": "FFTFTAI10423-8\tR4Y9\nFFTFTAI10423-8\tR5S1\nFFTFTAI10423-8\tR4Y9",
    "old": "FFTFTAI10423-8\tR4Y9\nFFTFTAI10423-8\tR5S1\nFFTFTAT10423-8\tR4Y9"
  }
}