{
  "filename_suffix": {
    "new": "4S"
  },
  "ring_codes": {
    "new": "MK-81101P-339 8/95 4SA4",
    "old": "MK-81101P-339 9/95 3SB3\nIFPI 7451\n----------\nMK-81101P-339 8/95 4SA4"
  }
}