Although the four oblique bars are parallel to each other and have the same width, two of them appear to tilt more from the vertical and to be thinner than the other two. The appearance is inverted when the stripes of the background flip over.pic.twitter.com/W8XQZIeb6E
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Replying to @AkiyoshiKitaoka
Excellant! Some of the many optical illusions you present are easier for me to discern than others. They all are interesting and artistic as well.
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