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Puzzle NR_017

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Wed May 13, 2009 2:23 pm Post subject: Puzzle NR_017

Code:

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

Play this puzzle online at the Daily Sudoku site

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Wed May 13, 2009 8:32 pm Post subject:

I needed

Quote:

xyz-wing 457
ur 49
bug

tlanglet

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

Posted: Wed May 13, 2009 9:18 pm Post subject:

A fairly easy three stepper:

Quote:

Type 2 UR 49 r12c57,
xy-wing 457 with pivot 45 at r2c1,
xy-wing 125 with pivot 15 at r3c1 and transported pincer.

Ted

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Fri May 15, 2009 2:41 am Post subject:

Code:

.------------------.------------------.------------------.
| 8 245 3 | 7 459 12 | 49 6 15 |
| 45 6 12 | 12 459 3 | 49 7 8 |
| 1457 457 9 | 6 45 8 | 3 2 15 |
:------------------+------------------+------------------:
| 6 1 7 | 9 3 5 | 2 8 4 |
|#235 235 8 | 12 6 4 | 15 9 7 |
|*25 9 4 | 8 *1-2 7 | 15 3 6 |
:------------------+------------------+------------------:
|#123 23 6 | 4 7 12 | 8 5 9 |
| 9 8 *12 | 5 *12 6 | 7 4 3 |
| 47 47 5 | 3 8 9 | 6 1 2 |
'------------------'------------------'------------------'

hp = hidden pair

(2)r6c1 = hp(23)r57c1 - (1)r7c1 = (1-2)r8c3 = (2)r8c5; r6c5 <> 2

Marty R.

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

Posted: Sun May 17, 2009 4:56 pm Post subject:

I used the Type 2 UR on 49, XY-Wing on 574, and a W-Wing on 25 which was connected by three strong links rather than the usual one.

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