{
  "step": "C418",
  "fixed_Gear_boundary_matrix": [
    {
      "upper_record_index": 103,
      "lower_record_index": 32,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1059,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": true
    },
    {
      "upper_record_index": 103,
      "lower_record_index": 40,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1060,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": true
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 32,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1058,
      "same_boundary": false,
      "two_K": true,
      "both_selected_Gears": true
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 40,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1059,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": true
    }
  ],
  "all_event_Gear_trials": [
    {
      "upper_record_index": 103,
      "lower_record_index": 0,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 3,
      "difference": 1055,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 103,
      "lower_record_index": 8,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 3,
      "difference": 1056,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 103,
      "lower_record_index": 16,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 2,
      "difference": 1057,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 103,
      "lower_record_index": 24,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 2,
      "difference": 1058,
      "same_boundary": false,
      "two_K": true,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 103,
      "lower_record_index": 32,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1059,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": true
    },
    {
      "upper_record_index": 103,
      "lower_record_index": 40,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1060,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": true
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 0,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 3,
      "difference": 1054,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 8,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 3,
      "difference": 1055,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 16,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 2,
      "difference": 1056,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 24,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 2,
      "difference": 1057,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 32,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1058,
      "same_boundary": false,
      "two_K": true,
      "both_selected_Gears": true
    },
    {
      "upper_record_index": 111,
      "lower_record_index": 40,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 3,
      "lower_Gear": 1,
      "difference": 1059,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": true
    },
    {
      "upper_record_index": 119,
      "lower_record_index": 0,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 2,
      "lower_Gear": 3,
      "difference": 1053,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 119,
      "lower_record_index": 8,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 2,
      "lower_Gear": 3,
      "difference": 1054,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 119,
      "lower_record_index": 16,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 2,
      "lower_Gear": 2,
      "difference": 1055,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 119,
      "lower_record_index": 24,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 2,
      "lower_Gear": 2,
      "difference": 1056,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 119,
      "lower_record_index": 32,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 2,
      "lower_Gear": 1,
      "difference": 1057,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 119,
      "lower_record_index": 40,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 2,
      "lower_Gear": 1,
      "difference": 1058,
      "same_boundary": false,
      "two_K": true,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 127,
      "lower_record_index": 0,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 2,
      "lower_Gear": 3,
      "difference": 1052,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 127,
      "lower_record_index": 8,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 2,
      "lower_Gear": 3,
      "difference": 1053,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 127,
      "lower_record_index": 16,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 2,
      "lower_Gear": 2,
      "difference": 1054,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 127,
      "lower_record_index": 24,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 2,
      "lower_Gear": 2,
      "difference": 1055,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 127,
      "lower_record_index": 32,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 2,
      "lower_Gear": 1,
      "difference": 1056,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 127,
      "lower_record_index": 40,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 2,
      "lower_Gear": 1,
      "difference": 1057,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 135,
      "lower_record_index": 0,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 1,
      "lower_Gear": 3,
      "difference": 1051,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 135,
      "lower_record_index": 8,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 1,
      "lower_Gear": 3,
      "difference": 1052,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 135,
      "lower_record_index": 16,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 1,
      "lower_Gear": 2,
      "difference": 1053,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 135,
      "lower_record_index": 24,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 1,
      "lower_Gear": 2,
      "difference": 1054,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 135,
      "lower_record_index": 32,
      "upper_role": "Flood start",
      "lower_role": "Flood start",
      "upper_Gear": 1,
      "lower_Gear": 1,
      "difference": 1055,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 135,
      "lower_record_index": 40,
      "upper_role": "Flood start",
      "lower_role": "Flood close",
      "upper_Gear": 1,
      "lower_Gear": 1,
      "difference": 1056,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 143,
      "lower_record_index": 0,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 1,
      "lower_Gear": 3,
      "difference": 1050,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 143,
      "lower_record_index": 8,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 1,
      "lower_Gear": 3,
      "difference": 1051,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 143,
      "lower_record_index": 16,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 1,
      "lower_Gear": 2,
      "difference": 1052,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 143,
      "lower_record_index": 24,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 1,
      "lower_Gear": 2,
      "difference": 1053,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 143,
      "lower_record_index": 32,
      "upper_role": "Flood close",
      "lower_role": "Flood start",
      "upper_Gear": 1,
      "lower_Gear": 1,
      "difference": 1054,
      "same_boundary": false,
      "two_K": false,
      "both_selected_Gears": false
    },
    {
      "upper_record_index": 143,
      "lower_record_index": 40,
      "upper_role": "Flood close",
      "lower_role": "Flood close",
      "upper_Gear": 1,
      "lower_Gear": 1,
      "difference": 1055,
      "same_boundary": true,
      "two_K": false,
      "both_selected_Gears": false
    }
  ],
  "five_station_comparison": [
    {
      "context": {
        "tradition": "SP",
        "rail": "companion",
        "gear": 3,
        "Cainan": 1,
        "Terah60": 1,
        "full430": 1
      },
      "Flood_role": "Flood close",
      "Flood_record_index": 111,
      "stations": {
        "Noah birth": 3899,
        "Shem birth": 3399,
        "Noah death": 2949,
        "Shem death": 2799,
        "selected Flood boundary": 3299
      },
      "partition": [
        500,
        100,
        350,
        150
      ]
    },
    {
      "context": {
        "tradition": "MT",
        "rail": null,
        "gear": 1,
        "Cainan": 0,
        "Terah60": 0,
        "full430": 0
      },
      "Flood_role": "Flood start",
      "Flood_record_index": 32,
      "stations": {
        "Noah birth": 2841,
        "Shem birth": 2341,
        "Noah death": 1891,
        "Shem death": 1741,
        "selected Flood boundary": 2241
      },
      "partition": [
        500,
        100,
        350,
        150
      ]
    }
  ],
  "translated_Flood_event_images": [
    {
      "upper_event": {
        "record_index": 103,
        "record": {
          "tradition": "SP",
          "gear": 3,
          "role": "Flood start",
          "Cainan": 1,
          "Terah60": 1,
          "full430": 1,
          "center": 3300,
          "base_native_Cainan": 0,
          "base_center": 3110
        },
        "selected_Gear": true
      },
      "required_coordinate": 2242,
      "all_source_record_indices": [
        24
      ],
      "lower_context_event_matches": [
        {
          "record_index": 24,
          "record": {
            "tradition": "MT",
            "gear": 2,
            "role": "Flood close",
            "Cainan": 0,
            "Terah60": 0,
            "full430": 0,
            "center": 2242,
            "base_native_Cainan": 0,
            "base_center": 2457
          },
          "selected_Gear": false
        }
      ]
    },
    {
      "upper_event": {
        "record_index": 111,
        "record": {
          "tradition": "SP",
          "gear": 3,
          "role": "Flood close",
          "Cainan": 1,
          "Terah60": 1,
          "full430": 1,
          "center": 3299,
          "base_native_Cainan": 0,
          "base_center": 3109
        },
        "selected_Gear": true
      },
      "required_coordinate": 2241,
      "all_source_record_indices": [
        32
      ],
      "lower_context_event_matches": [
        {
          "record_index": 32,
          "record": {
            "tradition": "MT",
            "gear": 1,
            "role": "Flood start",
            "Cainan": 0,
            "Terah60": 0,
            "full430": 0,
            "center": 2241,
            "base_native_Cainan": 0,
            "base_center": 2456
          },
          "selected_Gear": true
        }
      ]
    }
  ],
  "counts": {
    "fixed_Gear_boundary_pairs": 4,
    "all_event_Gear_boundary_pairs": 36,
    "same_boundary_trials": 18,
    "same_boundary_2K_hits": 0,
    "mixed_boundary_2K_hits_all_Gears": 3
  },
  "interpretation": "The selected close/start boundary adds a fifth2K station and common500+100+350+150 partition. Both like-named Flood boundaries differ1059 at the selected Gears; even Gear changes cannot repair the odd difference to1058. Upper start3300 translates to MT Gear2 close2242, while upper close3299 translates to MT Gear1 start2241. These coordinates do not form a single same-Gear same-boundary MT Flood year. The valid500/100 and502/98 source modes are not revoked."
}