The previous post has got me thinking about images built out of tiles, and I need some cheering up, so I made this little block sliding puzzle. Enjoy!
Feel free to copy the source to make your own version. All you need to do is replace rocket.jpg with your own 300 x 300 image.
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UPDATE: Note that I had originally overlooked the issue of parity when randomizing the puzzle squares– This meant a 50% chance of getting an impossible puzzle! Apologies to anyone who might have been a victim of this temporary oversight ;)
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UPDATE2: how to solve ( one animated solution)