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 no-op twin showed up as a regular twin 
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Posted on: Thu Apr 30, 2015 9:42 am




Posts: 2192
Joined: Thu May 12, 2011 11:58 pm
 no-op twin showed up as a regular twin
Because of a bug in the handling of twin no-op puzzles, the Saturday subscriber 7x7 "twin no-op from zero"
showed up as a regular twin [blush]

This has been fixed now:
http://www.calcudoku.org/en/2015-04-25/extra

Patrick


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Posted on: Thu Apr 30, 2015 11:50 am




Posts: 192
Joined: Tue May 24, 2011 4:55 pm
Post Re: no-op twin showed up as a regular twin
Just re-solved it. It's much more fun and challenging as a no-op twin [thumbup]


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Posted on: Thu Apr 30, 2015 6:58 pm




Posts: 490
Location: Ladysmith, BC, Canada
Joined: Fri May 13, 2011 1:37 am
Post Re: no-op twin showed up as a regular twin
Prefer the regular 7x7's twins [thumbsup]


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Posted on: Thu Apr 30, 2015 10:00 pm




Posts: 163
Joined: Thu May 12, 2011 11:51 pm
Post Re: no-op twin showed up as a regular twin
I agree with bram. It was a lot of fun and a very welcome addition.

A couple of points, though. It has always seemed unnecessary to enter the operations on no-ops as the numbers are unique, the operations are often not unique, and entering them is unnecessarily time-consuming. Needing to enter the operations on both of two twins seems even more unnecessarily time-consuming. Also the error check is OK for rows and columns but it often doesn't recognize combinations of numbers that are impossible by any operation.


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