Four touching rectangles, wider than they are tall. From the top left clockwise, they are brown, black, orange, blue.
https://digipres.club/system/media_attachments/files/111/966/137/196/451/053/original/734c3b67d6df7e47.png
It turns out the actual image is not square, despite being rendered as a square. Strange. But then I looked at the html: this isn't an img, it's a canvas.
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