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Jan 19 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Jan 19, 2008 1:22 pm    Post subject: Jan 19 DB Reply with quote
Jan 19 DB takes only one xy-wing.
Are DB's and other puzzles getting easier, or am I getting smarter?

Earl


Code:

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

Play this puzzle online at the Daily Sudoku site
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sat Jan 19, 2008 6:10 pm    Post subject: Reply with quote
This XY-wing solves R5C5, and is available early on.

There have been much harder DB Saturday puzzles than this one.

Keith
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sat Jan 19, 2008 9:35 pm    Post subject: Reply with quote
Quote:
Are DB's and other puzzles getting easier, or am I getting smarter?


I think the better question is at what point in your sudoku career did you think that this puzzle was easy? because to the casual observer, this puzzle might seem just as hard as any other.

if you took 100 random people and gave them three DB puzzles ( and they aren't told that the rating of the puzzles are about the same), would the consensus be that each puzzle had a different level of difficulty?? or would the consensus be that the puzzles had a similar level of difficulty?
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