{
  "title": "Missing square puzzle: corner points and exact areas",
  "description": "Corner points and exact areas of the four pieces in both layouts of the 13 × 5 missing square puzzle, the empty square, both outlines, the straight triangle they resemble and the gap between the two long edges.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Drawn Mathematics",
  "page": "https://drawnmathematics.com/puzzles/missing-square/",
  "derived_from": [
    "Exact grid coordinates of the four pieces (one grid square = 1); areas by the shoelace formula in exact fractions; no third-party data"
  ],
  "method": "Compiled by Drawn Mathematics from the data listed",
  "data_credit": [
    "Computed for this page from exact grid coordinates of the four pieces"
  ]
}