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Puzzle NR_020

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sat May 16, 2009 10:37 am Post subject: Puzzle NR_020

Code:

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

Play this puzzle online at the Daily Sudoku site

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Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

Posted: Sun May 17, 2009 12:40 pm Post subject:

I used to unusual (for me at least) moves to help solve this fun puzzle.

Quote:

x-wing 1 r49c57,
x-wing 6 r47c29,
a xyz-wing 138 at r9c7 where the remote cell was transported to make the deletions,
an up-down oriented skyscraper 3 in r4c29 with pincer transport,
finned x-wing 3 in r59c37,
xy-wing 678 with pivot 68 at r7c5.

Ted

Marty R.

Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

Posted: Thu May 21, 2009 5:40 pm Post subject:

I used a Type 4 UR on 35, then three ERS (1-6-1) and XY-Wings on 583 and 687.

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