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timtour97's scenarios

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Although it is extremely fast, what happens is that the image of the cat looking into space is show first. The four bits to the very left that make up each pixel of the image are shifted to the right and shifted back over to clear them. Then, the other image, the cat in the astronaut helmet's first four bits that make up each pixel are placed into the other image's last four spots that were cleared. Lastly, the new image's pixels are shifted over to the left 28 spots to clear the original picture and then shifted back 24 to display the new image. tl;dr Image is hidden in last four bits of another image and displayed