native Cainan early block.json

{
  "Cainan": [
    130,
    330,
    460
  ],
  "Shelah": [
    130,
    330,
    460
  ],
  "Arphaxad": [
    135,
    330,
    465
  ],
  "shared_remainder": 330,
  "numerical_replication": "Cainan b/L equals the selected LXX Shelah b/L",
  "retained_topology": "Cainan inserted once between Arphaxad andShelah, with a distinct name and position",
  "claim": "numerical equality may replace2 repeated values by a stated relation; it does not derive existence or insertion location"
}