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Puzzle 10/09/12: B

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sun Sep 12, 2010 4:08 am Post subject: Puzzle 10/09/12: B

Shouldn't be too difficult.

Code:

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

Play this puzzle online at the Daily Sudoku site

Rating wrote:

turbot

JC Van Hay

Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium

Posted: Sun Sep 12, 2010 12:06 pm Post subject:

Quote:

Finned X Wing (3)R24 : => r1c2<>3 AND X Wing (4)R16 : => r24578c27<>4 ... OR ... To avoid DP (46)R46C27 : r4c27<>4
XY Wing (34-6), pivot at R4C9 : => r6c2<>6

Last edited by JC Van Hay on Sun Sep 12, 2010 3:08 pm; edited 1 time in total

peterj

Joined: 26 Mar 2010
Posts: 974
Location: London, UK

Posted: Sun Sep 12, 2010 4:42 pm Post subject:

This DP move finishes it off (a Marty move!) ...

Quote:

AUR(46)r46c27 either r4c2=3 and/or r4c7=9
(3)r4c2 - (3=4)r4c9 - (4=6)r6c7 ; r6c7=6
(9-6)r4c7=(6)r6c7 ; r6c7=6

Marty R.

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

Posted: Mon Sep 13, 2010 3:06 pm Post subject:

XYZ-Wing (469) did it; r4c9<>4.

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