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11/01/17 Replacement

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Mon Jan 17, 2011 11:32 pm Post subject: 11/01/17 Replacement

Okay. So I was off to a rocky restart. How about this puzzle?

Code:

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

Play this puzzle online at the Daily Sudoku site

peterj

Joined: 26 Mar 2010
Posts: 974
Location: London, UK

Posted: Tue Jan 18, 2011 2:01 pm Post subject:

Fun! Thanks. Two steps..

Quote:

w-wing-like(46) (4=6)r6c9 - r8c9=r7c7 - (6=1)r7c6-(1=4)r5c6 ; r6c6<>4, r5c7<>4
xy-wing(46-8) r2c1 ; r2c3<>8

I looked for a one-stepper especially around the UR(34) but couldn't find one...

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