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          "rail": null,
          "Cainan": 0,
          "Terah60": 0,
          "full430": 0,
          "center": 2395
        },
        {
          "tradition": "MT",
          "gear": 3,
          "role": "Noah death",
          "rail": null,
          "Cainan": 0,
          "Terah60": 0,
          "full430": 0,
          "center": 1895
        }
      ]
    },
    {
      "record_indices": [
        191,
        223,
        96,
        416,
        344
      ],
      "records": [
        {
          "tradition": "SP",
          "gear": 1,
          "role": "Noah birth",
          "rail": "companion",
          "Cainan": 1,
          "Terah60": 1,
          "full430": 1,
          "center": 3895
        },
        {
          "tradition": "SP",
          "gear": 1,
          "role": "Shem birth",
          "rail": "companion",
          "Cainan": 1,
          "Terah60": 1,
          "full430": 1,
          "center": 3395
        },
        {
          "tradition": "SP",
          "gear": 3,
          "role": "Flood start",
          "Cainan": 0,
          "Terah60": 0,
          "full430": 0,
          "center": 2895,
          "base_native_Cainan": 0,
          "base_center": 3110
        },
        {
          "tradition": "SP",
          "gear": 3,
          "role": "Shem death",
          "rail": "primary",
          "Cainan": 0,
          "Terah60": 0,
          "full430": 0,
          "center": 2395
        },
        {
          "tradition": "MT",
          "gear": 3,
          "role": "Noah death",
          "rail": null,
          "Cainan": 0,
          "Terah60": 0,
          "full430": 0,
          "center": 1895
        }
      ]
    }
  ],
  "phase_trials": [
    {
      "offsets": [
        "-1/4",
        "-1/4",
        "-1/4",
        "-1/4",
        "-1/4"
      ],
      "all_four_translations_exact": true
    },
    {
      "offsets": [
        "-1/4",
        "-1/4",
        "-1/4",
        "-1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "-1/4",
        "-1/4",
        "1/4",
        "-1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "-1/4",
        "-1/4",
        "1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "-1/4",
        "1/4",
        "-1/4",
        "-1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "-1/4",
        "1/4",
        "-1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
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      "all_four_translations_exact": false
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    {
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      "all_four_translations_exact": false
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    {
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      "all_four_translations_exact": false
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    {
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        "1/4"
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      "all_four_translations_exact": false
    },
    {
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        "-1/4",
        "1/4",
        "-1/4",
        "1/4",
        "-1/4"
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "1/4",
        "-1/4",
        "1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "1/4",
        "1/4",
        "-1/4",
        "-1/4"
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "1/4",
        "1/4",
        "-1/4",
        "1/4"
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "1/4",
        "1/4",
        "1/4",
        "-1/4"
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "-1/4",
        "1/4",
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
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    {
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      "all_four_translations_exact": false
    },
    {
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
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        "1/4"
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
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        "1/4",
        "-1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
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        "1/4",
        "1/4",
        "-1/4"
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "-1/4",
        "1/4",
        "1/4",
        "1/4"
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      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "-1/4",
        "-1/4",
        "-1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "-1/4",
        "-1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "-1/4",
        "1/4",
        "-1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "-1/4",
        "1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "1/4",
        "-1/4",
        "-1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "1/4",
        "-1/4",
        "1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "1/4",
        "1/4",
        "-1/4"
      ],
      "all_four_translations_exact": false
    },
    {
      "offsets": [
        "1/4",
        "1/4",
        "1/4",
        "1/4",
        "1/4"
      ],
      "all_four_translations_exact": true
    }
  ],
  "original_biography_controls": {
    "Noah_death": [
      {
        "tradition": "SP",
        "gear": 1,
        "role": "Noah death",
        "rail": "companion",
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 2945
      }
    ],
    "Shem_death": [
      {
        "tradition": "SP",
        "gear": 1,
        "role": "Shem death",
        "rail": "companion",
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1,
        "center": 2795
      }
    ]
  },
  "counts": {
    "role_defined_labelled_arrows": 240,
    "additional_bridge_labels": 2,
    "maximal_record_paths_before_bridge": 192,
    "maximum_before_edges": 2,
    "maximal_record_paths_with_bridge": 191,
    "continuous_four_step_record_paths": 2,
    "phase_assignments": 32,
    "exact_phase_assignments": 2
  },
  "path_length_distribution_before": {
    "1": 144,
    "2": 48
  },
  "path_length_distribution_after": {
    "1": 143,
    "2": 46,
    "4": 2
  },
  "interpretation": "The four-step coordinate chain has two continuous source-record lifts, choosing SP or LXX CainanOFF for its G3 Flood/death pair. The bridge is a derived cross-context comparison forced by100+405−4−1=500; it is not a prescribed biography or permission to transport SP companions into other traditions. Ordinary950/600 biography deaths remain2945/2795, not the chain endpoint1895."
}