Thread: July 2016
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Old 2016-07-04, 18:25   #3
R. Gerbicz
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"Robert Gerbicz"
Oct 2005

26728 Posts

There is an update:

"Update (3/7):
Your pentominos should be able to tile all the 4^N*4^N boards with any possible missing square.
You can use free pentominos (rotation and reflections are allowed).
Solving with less than three pentominos types will earn you a '*'."
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