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Set J Puzzle 17 -- VH+

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Wed Feb 04, 2009 9:13 pm Post subject: Set J Puzzle 17 -- VH+

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Wed Feb 04, 2009 10:53 pm Post subject:

After basics:

Code:

*--------------------------------------------------------------------*
| 6 34 34 | 1 2 578 | 57 58 9 |
| 25789 2578 2789 | 3 578 6 | 257 4 1 |
| 2578 2578 1 | 78 4 9 | 6 258 3 |
|----------------------+----------------------+----------------------|
| 2379 237 2379 | 5 1 4 | 8 79 6 |
| 1 478 4789 | 6 78 2 | 3 79 5 |
| 78 6 5 | 9 3 78 | 4 1 2 |
|----------------------+----------------------+----------------------|
| 2357 2357 237 | 4 6 1 | 9 25 8 |
| 258 9 28 | 27 57 3 | 1 6 4 |
| 4 1 6 | 28 9 58 | 25 3 7 |
*--------------------------------------------------------------------*

Three steps:

Quote:

A kite on <5> pivoting in box <4>, opens a
x-wing <5> in r19c67 that opens up a
xy-wing <578> with pivot <57> in r1c6 to complete the puzzle.

Ted

Marty R.

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

Posted: Mon Feb 09, 2009 10:55 pm Post subject:

I used two of Ted's steps, first the 578 XY-Wing and the Kite on 5 to finish.

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