This visualization recreates a Sol LeWitt wall drawing using D3.js, generating a grid of horizontal and vertical bars that intersect to form a dynamic pattern. The code draws 100 rectangular strips in each direction, using SVG masks to selectively hide portions of the grid with large mathematical symbols. The artwork relies on `d3.range`, `d3.select`, and `d3.symbol` to construct the visual, with the mask system alternating between inverted and non-inverted states to create contrasting regions across the canvas.