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Puzzle NR 09/11/10 (B)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Tue Nov 10, 2009 6:02 pm    Post subject: Puzzle NR 09/11/10 (B) Reply with quote
Hopefully, more reasonable.

Code:
 +-----------------------+
 | . . . | . 4 . | . 1 . |
 | . 7 . | . . 2 | . 9 . |
 | . . 2 | . . . | . . 4 |
 |-------+-------+-------|
 | . . . | 9 . . | . . . |
 | 2 . . | . 3 4 | 1 . 8 |
 | . 3 . | . 2 8 | 7 4 . |
 |-------+-------+-------|
 | . . . | . 9 3 | . 7 . |
 | 7 4 . | . . 6 | 9 . 1 |
 | . . 8 | . 7 . | . 2 5 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Tue Nov 10, 2009 11:15 pm    Post subject: Reply with quote
type 2 UR(15)r67c13, mass casualties of 6's.
opens the xy-wing {1,5,6} eliminates 5 from r4c6
leads to this

Code:
+------------+------------+------------+
| 6   8   9  | 3   4    5 | 2    1   7 |
| 4   7   15 | 16  168  2 | 568  9   3 |
| 3   15  2  | 7   168  9 | 568  56  4 |
+------------+------------+------------+
| 8   15  4  | 9   16   7 | 56   3   2 |
| 2   9   7  | 56  3    4 | 1    56  8 |
| 15  3   6  | 15  2    8 | 7    4   9 |
+------------+------------+------------+
| 15  2   15 | 8   9    3 | 4    7   6 |
| 7   4   3  | 2   5    6 | 9    8   1 |
| 9   6   8  | 4   7    1 | 3    2   5 |
+------------+------------+------------+


skyscraper on 5 in columns 2 and 8.
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Wed Nov 11, 2009 5:49 pm    Post subject: Reply with quote
My solution was substantially the same, except I had a few more moves, such as coloring, W-Wing and and ER. At the end an easy BUG+2 was an alternative to the skyscraper as a puzzle ender.
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Thu Nov 12, 2009 2:46 pm    Post subject: Reply with quote
Make it "Three of a kind".

My first two moves were identical, but I used another xy-wing 1-56 with pincer transport to finish off the puzzle.

Ted
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