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Puzzle 10/05/26: (A)

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Wed May 26, 2010 3:32 pm Post subject: Puzzle 10/05/26: (A)

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Thu May 27, 2010 1:49 pm Post subject:

Playing them as they were spotted, I had four steps.

Quote:

xyz-wing 149 in r8c6; r8c5<>9
xy-wing -469 with vertex 69 in r9c9; r8c46<>4
ANP(19=4)r58c6 - (4=9)r5c7 - r8c7 = (9)r8c6; r4c6<>9
(9=1)r8c6 - (1=4)r4c6 - r4c3 = r7c3 - (4=7)r7c8 - (7=9)r7c9; r7c5, r8c7<>9

Ted

Marty R.

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

Posted: Thu May 27, 2010 11:24 pm Post subject:

XY-Wing (694) and Skyscraper (4).

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