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Puzzle NR_030

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Thu May 28, 2009 4:40 pm Post subject: Puzzle NR_030

Code:

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

Play this puzzle online at the Daily Sudoku site

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Thu May 28, 2009 11:46 pm Post subject:

UR type 3 {2,7}
ER 6
3's marked below...r1c7 = r1c3 - r78c3 = r78c1 - r5c1 = r5c78; r4c7 <> 3

Code:

.---------------------.---------------------.---------------------.
| 5 9 *347 | 6 1 27 |*347 8 24 |
| 8 1 67 | 34 34 27 | 679 5 29 |
| 3467 347 2 | 8 9 5 | 13467 36 17 |
:---------------------+---------------------+---------------------:
| 2 6 9 | 13 7 8 | 13 4 5 |
|*34 5 8 | 9 2 14 |*1367 36 17 |
| 1347 347 1347 | 5 34 6 | 2 9 8 |
:---------------------+---------------------+---------------------:
|*369 2 *36 | 14 5 14 | 8 7 39 |
|*134 8 *134 | 7 6 9 | 5 2 34 |
| 479 47 5 | 2 8 3 | 49 1 6 |
'---------------------'---------------------'---------------------'

UR type 1
x-wing
xy-wing

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