static LL<Rect> ocr_makeTerminalGrid(BufferedImage terminal) {
  LL<Rect> rects = makeGridOfRects2(pointsRect(1, 1, terminal.getWidth(), terminal.getHeight()), 11, 22);
  rects = mapTwoLevelsDown(func(Rect r) -> Rect { growRectRight(r, -1) }, rects);
  ret rects;
}