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Old 2017-06-28, 21:36   #4
chalsall
If I May
 
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"Chris Halsall"
Sep 2002
Barbados

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Quote:
Originally Posted by science_man_88 View Post
...now it's mostly a combination of set union, and set difference to consider.
Indeed. This puzzle is trivial to solve.

"2" is the only possible solution for 2x,5y. Everything simply cascades.

Last fiddled with by chalsall on 2017-06-28 at 21:43
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