{
  "min": 16,
  "max": 29,
  "aliases": {
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    "25": 24,
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    "J-MR2": 18,
    "K": 19,
    "L": 21,
    "L-MR1": 22,
    "M": 23,
    "N": 24,
    "N-MR1": 24,
    "O": 26,
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    "P": 28,
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  }
}