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Puzzle 10/06/03: (B)

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Fri Jun 04, 2010 12:44 am Post subject: Puzzle 10/06/03: (B)

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Fri Jun 04, 2010 2:32 am Post subject:

Quote:

A one step solution is a Type 2 UR 17 r56c58; r1c8,r5c7,r6c9<>5

A second one step solution is a xy-wing -478 with vertex 78 r3c2; r2c9<>4 plus transport: (4)r3c7 - r5c3 = (4)r6c9; r6c3<>4

Ted

Marty R.

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

Posted: Sat Jun 05, 2010 9:55 pm Post subject:

I didn't look any further after spotting the UR.

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