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arkietech

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

Posted: Mon May 10, 2010 11:21 pm Post subject: 511 VH Steps only

How many VH steps do you need?

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Tue May 11, 2010 12:20 am Post subject:

One step unless I messed up basics again.

Quote:

xy-wing -249 with vertex 49 in r8c8; r8c9<>2

Ted

Marty R.

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

Posted: Tue May 11, 2010 12:50 am Post subject:

Same as Ted.

Kdelle

Joined: 20 Mar 2008
Posts: 59
Location: Hudson, NH

Posted: Tue May 11, 2010 12:03 pm Post subject:

Same as Ted & Marty. Kathy

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