BJ reconstruction ledger.json

[
  [
    "22/23 head list",
    "ordered insertion/deletion",
    "head/work interpretation and source order"
  ],
  [
    "57-year deletion ledger",
    "weighted contraction with fixed Shelah",
    "source57 and selected endpoints"
  ],
  [
    "2450/2400",
    "contraction plus role offset",
    "Creation/Fall and Conquest/rest selection"
  ],
  [
    "biological/surface575",
    "local residual accumulation with fixed outer span",
    "literal jubilee choices and their historical cause"
  ],
  [
    "two290 partitions",
    "coarsening a common labelled path",
    "six source-labelled inner boundaries"
  ],
  [
    "460 bookends to2450",
    "retained-component Key expansion",
    "source call/exodus positions"
  ],
  [
    "BJ/NT2450",
    "duration measurement through distinct carriers",
    "source head roles and literary relations"
  ]
]