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Puzzle 10/07/19: XY

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Mon Jul 19, 2010 4:02 am Post subject: Puzzle 10/07/19: XY

Basics are again part of the puzzle.

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Mon Jul 19, 2010 1:06 pm Post subject:

One stepper............

Quote:

6-cell ADP (25)r389c156 r3c5=4, r8c5=6 or r9c6=1 to prevent the DP
(4)r3c5-(4=5)r3c2-r5c2=(5)r6c3; r6c4<>5
(6)r8c5-(6=5)r8c4; r6c4<>5
(1)r9c6-(1=5)r4c6; r6c4<>5

Ted

peterj

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

Posted: Mon Jul 19, 2010 5:00 pm Post subject:

Another m-wing+ ...

Quote:

gm-wing(89) with psuedo-cell (8=5)r5c8-(5=9)r5c2 - r5c6=(9-8)r6c5=r6c1; r5c1<>8

tlanglet

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

Posted: Mon Jul 19, 2010 5:51 pm Post subject:

peterj wrote:

Another m-wing+ ...

Quote:

gm-wing(89) with psuedo-cell (8=5)r5c8-(5=9)r5c2 - r5c6=(9-8)r6c5=r6c1; r5c1<>8

Peter, you have that gm-wing step down pat.

Ted

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Mon Jul 19, 2010 5:56 pm Post subject:

Now it almost looks like a gM-Wing chain! (8=5=9)r5c82 - r5c6 = (9-8)r6c5 = r6c1; r5c1<>8

peterj

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

Posted: Mon Jul 19, 2010 6:04 pm Post subject:

tlanglet wrote:

Peter, you have that gm-wing step down pat.

It's just a phase I am going through! Though they do seem quite common.
I really need to catch up with you all on DP moves.. I just dont see them other than "in your face" URs.
Peter

ronk

Joined: 07 May 2006
Posts: 398

Posted: Mon Jul 19, 2010 7:33 pm Post subject:

daj95376 wrote:

Now it almost looks like a gM-Wing chain!

(8=5=9)r5c82 - r5c6 = (9-8)r6c5 = r6c1; r5c1<>8

A generalized general, I presume. Very Happy

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