Quick and dirty cheat tool for the maze part of the challenge in The Witness (http://the-witness.net/). Spoiler Warning: You might not want to look into this code if you haven't played (that part of) The Witness yet.
puzzle> __3__2112_12___1
2 solutions found
+----+----+----+ +
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+ +----+----+ +
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+ + + + +
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+ +----+----+----+
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+ + + + +