{
  "shared_boundary_labels": [
    "Adam",
    "Seth",
    "Enosh",
    "Kenan",
    "Mahalalel",
    "Jared",
    "Enoch",
    "Methuselah",
    "Lamech",
    "Noah",
    "Shem",
    "Arphaxad",
    "Shelah",
    "Eber",
    "Peleg",
    "Reu",
    "Serug",
    "Nahor",
    "Terah",
    "Abraham"
  ],
  "matched_field": [
    1250,
    1150,
    1050,
    950,
    850,
    750,
    750,
    650,
    650,
    650,
    650,
    650,
    550,
    450,
    350,
    250,
    150,
    50,
    0,
    0
  ],
  "native_shared_boundary_field": [
    1380,
    1280,
    1180,
    1080,
    980,
    880,
    880,
    780,
    780,
    780,
    780,
    780,
    550,
    450,
    350,
    250,
    150,
    50,
    0,
    0
  ],
  "new_vertex": "nativeCainan itself is a separateLXX-labelled boundary betweenArphaxad andShelah",
  "scope": "Insertion shiftsArphaxad andearlier; downstreamsharedrows stayfixed. No repeated+130 action."
}