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Puzzle VH_049

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Fri Jun 26, 2009 5:39 pm Post subject: Puzzle VH_049

Code:

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

Play this puzzle online at the Daily Sudoku site

Note: I'm going to add solutions to most puzzles over a week old. The head post will be updated so as not to make them active again.

Code:

r2 b2 Locked Pair <> 16 [r2c3789]
r1 Naked Pair <> 67 [r1c139]
c2b1 Locked Candidate 1 <> 6 [r79c2]

XY-Wing [r2c7]/[r1c9]+[r2c3] <> 3 [r1c13],[r2c9]

c8 Naked Pair <> 67 [r23c8]
c9b9 Locked Candidate 1 <> 5 [r24c9]

r27c56 <16> UR Type 1 <> 16 [r7c5] -or-
r34c78 <25> UR Type 1 <> 25 [r3c7]

Last edited by daj95376 on Sun Jul 05, 2009 3:10 pm; edited 1 time in total

tlanglet

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

Posted: Sun Jun 28, 2009 8:22 pm Post subject:

my two steps were

Quote:

xy-wing 593 with pivot 59 at r2c7, and
xy-wing 376 with pivot 37 at r2c1 and pseudo-cell 36 in row 9.

Ted

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