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Set F Puzzle 27

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat Dec 06, 2008 7:10 am    Post subject: Set F Puzzle 27 Reply with quote
Code:
 +-----------------------+
 | 9 . 5 | 8 . . | 6 . 1 |
 | . 2 6 | . . 1 | 7 . 8 |
 | 8 7 . | . . . | . . . |
 |-------+-------+-------|
 | 4 . . | . . 5 | . . 7 |
 | . . . | . 9 . | . 4 . |
 | . 6 . | 4 . 7 | . . 3 |
 |-------+-------+-------|
 | 2 1 . | . . . | . . . |
 | . . . | . 5 . | . . . |
 | 5 9 . | 1 . 2 | . . 4 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Dec 06, 2008 6:21 pm    Post subject: Reply with quote
This is another one I enjoyed very much. I'm not sure my 2nd step was needed since after I played it I noticed a triple in the area.

Quote:
W on 15, Type 4 on 29, Type 4 on 46, coloring on 8, Type 6 on 37 and coloring on 7


Note to Keith: I encountered the seldom-seen Type 5, but it eliminated nothing.
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sat Dec 06, 2008 9:32 pm    Post subject: Reply with quote
Quote:

Note to Keith: I encountered the seldom-seen Type 5, but it eliminated nothing.

I have also seen a useless Type 5, once. No one has ever seen useful Type 5 (that makes any eliminations).

So you don't have to go hunting, a Type 5 is a diagonal Type 2.
Code:
+-------------+
|  #   -   -  |
| 12   -  123 |
|  #   -   -  |
+-------------+
| 123  -  12  |
|  -   -   #  |
|  -   -   #  |
+-------------+
None of the cells # can be <3>.

Keith
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