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by nicolas-siplis
1367 days ago
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The explanation I read used Finding Wally as an example: I can put a piece of paper with Wally's silhouette cut off in front of the book.
Align Wally to fit into the silhouette and you're done!
The paper just needs to be considerably bigger than the actual book, so other people can tell I know where Wally is without actually knowing his location. |
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