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| cheezfri
| | Joined: 31 Mar 2006 | | Posts: 1 | | : | |
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 Posted: Fri Mar 31, 2006 4:12 pm Post subject: Simple Sudoku coloring help please |
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Hi there, I have read these boards alot but have just registered today. I have SS version 4.1z.
Maybe I just don't understand the concept of coloring: Here's my grid (only the 5s candidates are shown):
xxx|xxx|xxx
xxx|xxx|xxx
xxx|xxx|xxx
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55x|xxx|xxx
xxx|5xx|5xx
xxx|5xx|xx5
---------------
5xx|xxx|5xx
xxx|xxx|xxx
x5x|xxx|5x5
SS won't let me eliminate the bold 5 (R9C7) as a candidate. Why not?
Thanks in advance for your help!
cheezfri |
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| Ruud
Site Admin
 | | Joined: 17 Sep 2005 | | Posts: 708 | | : | | Location: Netherlands |
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| Posted: Fri Mar 31, 2006 4:49 pm Post subject: |
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When colors are applied, 2 chains can be formed (A-B) and (C-D)
| Code: | xxx|xxx|xxx
xxx|xxx|xxx
xxx|xxx|xxx
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ABx|xxx|xxx
xxx|Cxx|Dxx
xxx|Dxx|xxC
-----------
Bxx|xxx|Axx
xxx|xxx|xxx
xAx|xxx|5xD |
There is no reason why the candidate in R9C7 should be eliminated.
Ruud.
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Meet me at sudocue.net |
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| LB2064
| | Joined: 03 Mar 2006 | | Posts: 3 | | : | |
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| Posted: Fri Mar 31, 2006 11:31 pm Post subject: Re: Simple Sudoku coloring help please |
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| cheezfri wrote: | | ..SS won't let me eliminate the bold 5 (R9C7) as a candidate. Why not? ...... |
Why don't you post the code for the actual puzzle. There may be something you are missing in the puzzle (like another 5 elsewhere).
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LB |
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