{
  "rule": "I(10(100h+10t+u))-10(100h+10t+u)=990(u-h), for this three-digit nonzero-end core register",
  "rows": [
    {
      "MSS": "MT",
      "core": [
        3,
        4,
        3
      ],
      "inverse_minus_original": 0
    },
    {
      "MSS": "LXX",
      "core": [
        4,
        3,
        4
      ],
      "inverse_minus_original": 0
    },
    {
      "MSS": "SP",
      "core": [
        3,
        3,
        1
      ],
      "inverse_minus_original": -1980
    }
  ],
  "MT_SP_inverse_gap_components": [
    120,
    1980
  ]
}