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no-op twin showed up as a regular twin
http://www.calcudoku.org/forum/viewtopic.php?f=18&t=691
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Author:  pnm  [ Thu Apr 30, 2015 9:42 am ]
Post subject:  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

Author:  bram  [ Thu Apr 30, 2015 11:50 am ]
Post subject:  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]

Author:  beaker  [ Thu Apr 30, 2015 6:58 pm ]
Post subject:  Re: no-op twin showed up as a regular twin

Prefer the regular 7x7's twins [thumbsup]

Author:  sjs34  [ Thu Apr 30, 2015 10:00 pm ]
Post subject:  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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