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Puzzle 10/09/30: A VH

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Thu Sep 30, 2010 5:04 am Post subject: Puzzle 10/09/30: A VH

Code:

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

Play this puzzle online at the Daily Sudoku site

This is a test.

Solution wrote:

r48 X-Wing <> 1 r2c7,r7c2

<13+9> XY-Wing r4c7/r2c7+r6c9 <> 9 r3c9

<39+1> XY-Wing r3c8/r3c1+r7c8 <> 1 r7c1
<19+3> XY-Wing r7c8/r3c8+r7c1 <> 3 r3c1

JC Van Hay

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

Posted: Thu Sep 30, 2010 8:38 pm Post subject:

Quote:

To prevent DP(56)R49C13 : => r4c1<>56=4
Skyscraper (3)C38 : => r3c1<>3

Marty R.

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

Posted: Fri Oct 01, 2010 3:03 pm Post subject:

Coloring on 3 , r3c1<>3.

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