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Puzzle 10/04/14 (A)

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Wed Apr 14, 2010 9:16 pm Post subject: Puzzle 10/04/14 (A)

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Thu Apr 15, 2010 2:49 am Post subject:

I purposely choose not to use the type 1 UR89 but then found a two stepper.

Quote:

xyz-wing 356 in r8c3 deletes 5 in r8c1, and opened up an
AIC formed by extending the vertex of a potential xy-wing -567: (5=6)r8c6 - (6=7)r8c1 - r3c1 = r1c2 - (7=5)r1c5; r23c6|r7c5<>5.

Ted

Mogulmeister

Joined: 03 May 2007
Posts: 1151

Posted: Thu Apr 15, 2010 3:51 am Post subject:

Quote:

X-Wing on 7s followed by <568> XY-Wing

arkietech

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

Posted: Thu Apr 15, 2010 1:02 pm Post subject:

All you need is the

Quote:

xy-wing 568

Marty R.

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

Posted: Thu Apr 15, 2010 11:05 pm Post subject:

Type 1 UR (89) XYZ-Wing (356) XY-Wing (567)

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