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          "upper_record_indices": [
            383
          ],
          "lower_record_indices": [
            144
          ],
          "both_endpoints_sourced": true
        },
        {
          "translation_steps": 1,
          "upper": 3399,
          "lower": 2341,
          "upper_record_indices": [
            415
          ],
          "lower_record_indices": [
            160
          ],
          "both_endpoints_sourced": true
        },
        {
          "translation_steps": 2,
          "upper": 2899,
          "lower": 1841,
          "upper_record_indices": [],
          "lower_record_indices": [],
          "both_endpoints_sourced": false
        }
      ],
      "original_labelled_endpoint_pairs": 1,
      "one_step_source_pair": true,
      "two_step_source_pair": false
    }
  ],
  "role_pair_counts": [
    {
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "labelled_pairs": 2
    },
    {
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "labelled_pairs": 4
    },
    {
      "upper_role": "Flood start",
      "lower_role": "Noah death",
      "labelled_pairs": 16
    },
    {
      "upper_role": "Noah birth",
      "lower_role": "Flood close",
      "labelled_pairs": 4
    },
    {
      "upper_role": "Noah birth",
      "lower_role": "Flood start",
      "labelled_pairs": 8
    },
    {
      "upper_role": "Noah birth",
      "lower_role": "Noah birth",
      "labelled_pairs": 1
    },
    {
      "upper_role": "Noah death",
      "lower_role": "Noah death",
      "labelled_pairs": 1
    },
    {
      "upper_role": "Shem birth",
      "lower_role": "Shem birth",
      "labelled_pairs": 1
    },
    {
      "upper_role": "Shem birth",
      "lower_role": "Shem death",
      "labelled_pairs": 8
    },
    {
      "upper_role": "Shem death",
      "lower_role": "Shem death",
      "labelled_pairs": 1
    }
  ],
  "original_Mirror_comparisons": [
    {
      "i": 3,
      "cumulative_corners": [
        -6345,
        -5287
      ],
      "pair": {
        "translation_steps": 0,
        "upper": 3706,
        "lower": 2648,
        "upper_record_indices": [
          177,
          433
        ],
        "lower_record_indices": [
          23
        ],
        "both_endpoints_sourced": true
      },
      "transport_levels": [
        {
          "steps": 0,
          "both_regular_endpoints_sourced": true,
          "cross_spans": [
            8993,
            8993
          ]
        },
        {
          "steps": 1,
          "both_regular_endpoints_sourced": true,
          "cross_spans": [
            8493,
            8493
          ]
        },
        {
          "steps": 2,
          "both_regular_endpoints_sourced": false,
          "cross_spans": [
            7993,
            7993
          ]
        }
      ]
    },
    {
      "i": 5,
      "cumulative_corners": [
        -6343,
        -5285
      ],
      "pair": {
        "translation_steps": 0,
        "upper": 3708,
        "lower": 2650,
        "upper_record_indices": [
          273,
          465
        ],
        "lower_record_indices": [
          7
        ],
        "both_endpoints_sourced": true
      },
      "transport_levels": [
        {
          "steps": 0,
          "both_regular_endpoints_sourced": true,
          "cross_spans": [
            8993,
            8993
          ]
        },
        {
          "steps": 1,
          "both_regular_endpoints_sourced": true,
          "cross_spans": [
            8493,
            8493
          ]
        },
        {
          "steps": 2,
          "both_regular_endpoints_sourced": false,
          "cross_spans": [
            7993,
            7993
          ]
        }
      ]
    }
  ],
  "counts": {
    "source_coordinates": 373,
    "coordinate_2K_pairs": 26,
    "labelled_2K_endpoint_pairs": 46,
    "one_step_source_pairs": 6,
    "two_step_source_pairs": 0
  },
  "interpretation": "Pair membership is a coordinate census with every source label retained. It does not yet choose continuous record-labelled transport paths. Every simultaneous translation preserves1058 arithmetically; source-domain survival and fixed cumulative cross-spans are separate tests. No other intervals or shifts were searched."
}
