{
  "blocks": [
    {
      "start": "Adam",
      "end": "Seth",
      "rows": [
        "Adam"
      ],
      "intervals": [
        130
      ],
      "span": 130
    },
    {
      "start": "Seth",
      "end": "Enoch",
      "rows": [
        "Seth",
        "Enosh",
        "Kenan",
        "Mahalalel",
        "Jared"
      ],
      "intervals": [
        105,
        90,
        70,
        65,
        160
      ],
      "span": 490
    },
    {
      "start": "Enoch",
      "end": "Arphaxad",
      "rows": [
        "Enoch",
        "Methuselah",
        "Lamech",
        "Noah",
        "Shem"
      ],
      "intervals": [
        65,
        185,
        180,
        500,
        100
      ],
      "span": 1030
    },
    {
      "start": "Arphaxad",
      "end": "Reu",
      "rows": [
        "Arphaxad",
        "Shelah",
        "Eber",
        "Peleg"
      ],
      "intervals": [
        35,
        30,
        35,
        30
      ],
      "span": 130
    },
    {
      "start": "Reu",
      "end": "Moses",
      "rows": [
        "Reu",
        "Serug",
        "Nahor",
        "Terah",
        "Abraham",
        "Isaac",
        "Jacob",
        "Joseph",
        "Entry"
      ],
      "intervals": [
        30,
        30,
        30,
        70,
        100,
        60,
        90,
        40,
        350
      ],
      "span": 800
    }
  ],
  "total": 2580,
  "source_cost": "The five named cut positions are source-appointed; block sums do not determine every internal age."
}