{
  "nodes_BC": [
    13136,
    7536,
    5436,
    1866,
    536
  ],
  "roles": [
    "LXX Regular completed inverse head",
    "MT Cumulative completed inverse Flood",
    "SP Cumulative completed inverse Flood / MT Shem",
    "MT Minimum Covenant",
    "restoration"
  ],
  "edges": [
    5600,
    2100,
    3570,
    1330
  ],
  "units70": [
    80,
    30,
    51,
    19
  ],
  "whole": 12600,
  "Covenant_radius": 11270,
  "7000_suffix": 7000,
  "4900_suffix": 4900,
  "scope": "reuses the already-appointed1866 comparison node; no new date or mirror branch"
}