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Puzzle 10/04/04 (C)

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sun Apr 04, 2010 4:38 pm Post subject: Puzzle 10/04/04 (C)

Code:

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

Play this puzzle online at the Daily Sudoku site

Mogulmeister

Joined: 03 May 2007
Posts: 1151

Posted: Mon Apr 05, 2010 7:31 am Post subject:

Quote:

1)A colouring removing 7 from r4c3
2)An xy which goes around the houses a bit but takes out the 4 at r7c5 pincers at r2c5 and r8c4.

tlanglet

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

Posted: Mon Apr 05, 2010 3:10 pm Post subject:

Two steps.

Quote:

xy-wing 36-7 with vertex in r8c2 and pseudocell 67 in b8 deletes 7 in r7c2 plus transport deletes 7 in r5c2,
(7)r4c5 = (7)r5c4 - r9c4 = r9c3; r4c3<>7.

Ted

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