Below is a what looks like it could be a normal photograph. However, it has been manipulated to look quite different to the original.
Click on any parts of the image you think might not be original - if you are correct, that part of the image will be moved off to the side. Try to find all 18 modifications.
You can also click on the parts around the side to move them back into position for closer inspection. If you want to restart, hit the “Reload” button in your browser.
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If you need to bypass detection, click here.