{
  "filename_suffix": {
    "old": "2M"
  },
  "ring_codes": {
    "new": "610-6600P-01663\t2M2\tC\t76 IFPI L223 IFPI 3980\n610-6600P-01663\t2MB1\tC\t76\n610-6600P-01663\t1M1\tC\t76 IFPI L223 IFPI 3907",
    "old": "610-6600P-01663\t2M2\tC\t76 IFPI L223 IFPI 3980\n610-6600P-01663\t2MB1\tC\t76"
  }
}