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Jan 10 H

 
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norwag



Joined: 11 Jan 2011
Posts: 6
PostPosted: Tue Jan 11, 2011 7:13 am    Post subject: Jan 10 H Reply with quote
I am stuck!

Code:
+-----------------+----------+---------------+
| 168   178  3    | 68 4  5  | 1678 9   2    |
| 12568 1578 4    | 68 27 9  | 1678 678 3    |
| 2689  789  78   | 1  27 3  | 678  5   4    |
+-----------------+----------+---------------+
| 3589  2    58   | 7  35 4  | 568  1   689  |
| 59    579  6    | 2  1  8  | 3    4   79   |
| 1358  4    1578 | 9  35 6  | 578  2   78   |
+-----------------+----------+---------------+
| 7     6    9    | 5  8  2  | 4    3   1    |
| 4     158  2    | 3  6  17 | 9    78  578  |
| 158   3    158  | 4  9  17 | 2    678 5678 |
+-----------------+----------+---------------+


The hint is to put 8 in R4C3 and I don't see it and the Help can't explain why. Can someone out there explain please? Thanks!
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Ema Nymton



Joined: 17 Apr 2009
Posts: 89
PostPosted: Tue Jan 11, 2011 11:06 am    Post subject: Reply with quote
.

In row 5, a '5' must be in column 1 or column 2 otherwise no '5' in row. Thus r4c3 cannot be '5'.

Ema Nymton
.
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norwag



Joined: 11 Jan 2011
Posts: 6
PostPosted: Tue Jan 11, 2011 4:23 pm    Post subject: Reply with quote
Oh so obvious now. Thanks for your help!
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