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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Wed Apr 14, 2010 9:18 pm Post subject: Puzzle 10/04/14 (C) |
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| Code: | +-----------------------+
| . . . | 4 . . | . . . |
| . 3 . | 1 . 7 | . 5 4 |
| . . 4 | . . . | . 2 1 |
|-------+-------+-------|
| 7 6 . | . 1 . | 4 3 2 |
| . . . | 6 . . | . . 7 |
| . 5 . | . . . | . 1 . |
|-------+-------+-------|
| . . . | 2 . . | . . . |
| . 4 5 | 8 . 1 | . . 6 |
| . 1 3 | 7 4 . | . 8 5 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site
| Hint wrote: | XYZ-Wing possible.
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Thu Apr 15, 2010 9:53 pm Post subject: |
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Four steps.
(9=3)r7c9 - AUR29[(3)r8c7 = (6)r9c1]r89c17 - (6=9)r9c6; r7c56|r9c7<>9,
kite 2 with hinge in b4; r1c6<>2,
xy-wing 38-9 with vertex 38 in r5c5; r9c6<>9
ALS789[(78)r3c27 = (9)r3c2]r3c27 - r3c4 = r6c4 - (9=8)r4c6; r3c6<>8.
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Apr 16, 2010 5:23 pm Post subject: |
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| I used five steps, Type 4 (34), Type 6 (29), ER (2), XY (389) and Type 4 (68) used to create pincers. |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Fri Apr 16, 2010 6:18 pm Post subject: |
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Skyscraper setting up XY-Wing setting up XYZ-Wing ... who could ask for more fun! 
| Code: | r26c3 Skyscraper <> 2 r5c5,r1c6
r8c9 2-String Kite <> 3 r1c5 extraneous
<38+9> XY-Wing r5c5/r4c6+r8c5 <> 9 r79c6
r25\c25 Sashimi X-Wing <> 8 r13c2 extraneous
<38+9> XYZ-Wing r3c6/r3c4+r4c6 <> 9 r1c6
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Fri Apr 16, 2010 7:54 pm Post subject: |
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Why not start with the xyz-wing?
xyz-Wing135
x-wing 3
skyscraper 5
are we having fun yet?  |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Fri Apr 16, 2010 8:27 pm Post subject: |
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| arkietech wrote: | Why not start with the xyz-wing?
xyz-Wing135
x-wing 3
skyscraper 5
are we having fun yet? |
We may be having fun, but I don't think we're on the same puzzle.
This puzzle starts off with <1> as a candidate in five cells ... and none of them contain a <35>.
| Code: | *-----------------------------------------------------------------------------*
| 125689 2789 126789 | 4 235689 235689 | 36789 679 389 |
| 2689 3 2689 | 1 2689 7 | 689 5 4 |
| 5689 789 4 | 359 35689 35689 | 36789 2 1 |
|-------------------------+-------------------------+-------------------------|
| 7 6 89 | 59 1 589 | 4 3 2 |
| 123489 289 1289 | 6 23589 234589 | 589 9 7 |
| 23489 5 289 | 39 23789 23489 | 689 1 89 |
|-------------------------+-------------------------+-------------------------|
| 689 789 6789 | 2 3569 3569 | 1379 479 39 |
| 29 4 5 | 8 39 1 | 2379 79 6 |
| 269 1 3 | 7 4 69 | 29 8 5 |
*-----------------------------------------------------------------------------*
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