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Puzzle 10/01/23 (B)

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sat Jan 23, 2010 11:27 pm Post subject: Puzzle 10/01/23 (B)

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Sun Jan 24, 2010 3:21 pm Post subject:

A fun three stepper.

Quote:

x-wing 7 in r18c27,
xy-wing 6-78 with vertex in r9c7,
6-cell DP in r157c789. To prevent the deadly pattern, r5c78=8 or r7c8=8; all three constraints delete 8 in r4c8 to complete the puzzle.

Ted

Marty R.

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

Posted: Sun Jan 24, 2010 5:47 pm Post subject:

Four ERs (7,7,7,7) XY-Wing Chain (16-68-68-68-18) Kite (8) Remote pairs (68)

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