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Puzzle 10/06/18: (A) VH

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Fri Jun 18, 2010 4:13 pm Post subject: Puzzle 10/06/18: (A) VH

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Code:

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

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Marty R.

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

Posted: Sun Jun 20, 2010 12:50 am Post subject:

Looking at the potential DP 25-26-56 in boxes 789, there are two pseudo cells formed and r2c8=2 is forced. After Finned X-Wings on 7 and 8, there is a W-Wing on 78 which completes the puzzle.

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peterj

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

Posted: Sun Jun 20, 2010 8:29 am Post subject:

Two VH steps... x-wing on 8 then xy-wing(69-8)

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