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        "rail": null,
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 3250
      },
      "R": 2652,
      "Shem_birth": {
        "tradition": "SP",
        "gear": 3,
        "role": "Shem birth",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3210
      },
      "Shem_death": {
        "tradition": "SP",
        "gear": 3,
        "role": "Shem death",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2610
      },
      "input_gaps": [
        460,
        598
      ],
      "calculated_birth": "3210",
      "calculated_death": "2610",
      "birth_error": "0",
      "death_error": "0",
      "algebraic_endpoint_exact": true,
      "joint_source_admitted": false,
      "admitted_exact": false,
      "two17K": true,
      "allK": true
    },
    {
      "a": 2,
      "b": 2,
      "i": 6,
      "SP_Noah": {
        "tradition": "SP",
        "gear": 3,
        "role": "Noah birth",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3709
      },
      "MT_Noah": {
        "tradition": "MT",
        "gear": 3,
        "role": "Noah birth",
        "rail": null,
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 3250
      },
      "R": 2651,
      "Shem_birth": {
        "tradition": "SP",
        "gear": 3,
        "role": "Shem birth",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3209
      },
      "Shem_death": {
        "tradition": "SP",
        "gear": 3,
        "role": "Shem death",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2609
      },
      "input_gaps": [
        459,
        599
      ],
      "calculated_birth": "73832/23",
      "calculated_death": "780116/299",
      "birth_error": "25/23",
      "death_error": "25/299",
      "algebraic_endpoint_exact": false,
      "joint_source_admitted": false,
      "admitted_exact": false,
      "two17K": true,
      "allK": true
    },
    {
      "a": 2,
      "b": 2,
      "i": 5,
      "SP_Noah": {
        "tradition": "SP",
        "gear": 2,
        "role": "Noah birth",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3708
      },
      "MT_Noah": {
        "tradition": "MT",
        "gear": 2,
        "role": "Noah birth",
        "rail": null,
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 3248
      },
      "R": 2650,
      "Shem_birth": {
        "tradition": "SP",
        "gear": 2,
        "role": "Shem birth",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3208
      },
      "Shem_death": {
        "tradition": "SP",
        "gear": 2,
        "role": "Shem death",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2608
      },
      "input_gaps": [
        460,
        598
      ],
      "calculated_birth": "3208",
      "calculated_death": "2608",
      "birth_error": "0",
      "death_error": "0",
      "algebraic_endpoint_exact": true,
      "joint_source_admitted": true,
      "admitted_exact": true,
      "two17K": true,
      "allK": true
    },
    {
      "a": 2,
      "b": 2,
      "i": 4,
      "SP_Noah": {
        "tradition": "SP",
        "gear": 2,
        "role": "Noah birth",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3707
      },
      "MT_Noah": {
        "tradition": "MT",
        "gear": 2,
        "role": "Noah birth",
        "rail": null,
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 3248
      },
      "R": 2649,
      "Shem_birth": {
        "tradition": "SP",
        "gear": 2,
        "role": "Shem birth",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3207
      },
      "Shem_death": {
        "tradition": "SP",
        "gear": 2,
        "role": "Shem death",
        "rail": "companion",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2607
      },
      "input_gaps": [
        459,
        599
      ],
      "calculated_birth": "73786/23",
      "calculated_death": "779518/299",
      "birth_error": "25/23",
      "death_error": "25/299",
      "algebraic_endpoint_exact": false,
      "joint_source_admitted": true,
      "admitted_exact": false,
      "two17K": true,
      "allK": true
    },
    {
      "a": 2,
      "b": 2,
      "i": 3,
      "SP_Noah": {
        "tradition": "SP",
        "gear": 1,
        "role": "Noah birth",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3706
      },
      "MT_Noah": {
        "tradition": "MT",
        "gear": 1,
        "role": "Noah birth",
        "rail": null,
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 3246
      },
      "R": 2648,
      "Shem_birth": {
        "tradition": "SP",
        "gear": 1,
        "role": "Shem birth",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 3206
      },
      "Shem_death": {
        "tradition": "SP",
        "gear": 1,
        "role": "Shem death",
        "rail": "primary",
        "Cainan": 0,
        "Terah60": 0,
        "full430": 1,
        "center": 2606
      },
      "input_gaps": [
        460,
        598
      ],
      "calculated_birth": "3206",
      "calculated_death": "2606",
      "birth_error": "0",
      "death_error": "0",
      "algebraic_endpoint_exact": true,
      "joint_source_admitted": true,
      "admitted_exact": true,
      "two17K": true,
      "allK": true
    }
  ],
  "counts": {
    "tested": 20,
    "algebraic_exact": 6,
    "admitted_exact": 4,
    "with17K": 2
  },
  "survivors": [
    "02:i3",
    "02:i5",
    "22:i3",
    "22:i5"
  ],
  "birth_error_formula": "(25/23)e",
  "death_error_formula": "(300b+25e-600)/299",
  "total_span_error_formula": "(600-300b-25e)/299",
  "interpretation": "The source mapping selects primaryb2, equivalent to the regular2K side within this menu. It leavesa0 and2. Near cancellation on companionb2 leaves25/299 death error and25/23 birth error; no rounding is licensed."
}