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Puzzle NR_035

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Tue Jun 02, 2009 3:03 pm Post subject: Puzzle NR_035

Code:

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

Play this puzzle online at the Daily Sudoku site

Code:

r8 b7 Locked Pair <> 45 [r8c49]
c4b8 Locked Candidate 1 <> 1 [r45c4]
c9b9 Locked Candidate 1 <> 1 [r56c9]
r9 b9 Locked Candidate 1 <> 4 [r9c45]

r68c9 Skyscraper <> 3 [r45c4],[r9c5]

r4 Naked Quad <> 1234 [r4c24]

XY-Wing [r6c9]/[r4c8]+[r6c2] <> 4 [r6c7]

XYZ-Wing [r5c4]/[r4c4]+[r5c1] <> 5 [r5c6] sufficient
XYZ-Wing [r5c6]/[r5c1]+[r6c5] <> 4 [r5c4]

Last edited by daj95376 on Sat Jun 27, 2009 4:08 pm; edited 1 time in total

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Tue Jun 02, 2009 7:41 pm Post subject:

I needed three steps:

Quote:

skyscraper 3
w-wing 43
w-wing 45

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