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Puzzle 10/08/17: B

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Tue Aug 17, 2010 5:19 am Post subject: Puzzle 10/08/17: B

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Tue Aug 17, 2010 3:56 pm Post subject:

Three VH steps...........

Quote:

Coloring 6
xy-wing 23-9 vertex (23)r6c4; r3c5<>9
xy-wing 2-39 vertex (29)r6c1; r8c4<>3

Ted

JC Van Hay

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

Posted: Tue Aug 17, 2010 6:26 pm Post subject:

Quote:

W Wing : (69)R7C6 9R5 (96)R3C5 : => r2c6,r9c5<>6
XY Wing : (39)R8C1 (92)R6C1 (23)R6C4 : => r8c4<>3

Marty R.

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

Posted: Wed Aug 18, 2010 10:28 pm Post subject:

Multi-coloring (6) XY-Wing (239) Hidden UR (34) XY-Chain, 3-cell; r8c4<>3

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