AU Tough July 13, 2013

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AU Tough July 13, 2013

Postby ArkieTech » Sat Jul 13, 2013 1:34 am

Code: Select all
 *-----------*
 |3..|...|...|
 |...|74.|...|
 |.2.|...|5.6|
 |---+---+---|
 |7..|..2|.1.|
 |..1|.8.|3..|
 |.9.|6..|..5|
 |---+---+---|
 |9.4|...|.8.|
 |...|.15|...|
 |...|...|..7|
 *-----------*


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Last edited by ArkieTech on Sat Jul 13, 2013 4:38 pm, edited 1 time in total.
dan
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Re: AU Tough July 13, 2013

Postby pjb » Sat Jul 13, 2013 4:35 am

Code: Select all
3      14678  6789   | 25     25    c689    | 14789  479    1489   
1568   168    5689   | 7      4     c3689   | 1289   239    12389 
48     2      789    | 1     b39    c389    | 5      3479   6     
---------------------+----------------------+---------------------
7      3468   3568   | 3459   359    2      | 4689   1      489   
2456   46     1      | 459    8      49-7   | 3      24679  249   
248    9      238    | 6     a37     1      | 2478   247    5     
---------------------+----------------------+---------------------
9      5      4      | 23     236-7 c37     | 126    8      123   
268    3678   23678  | 23489  1      5      | 2469   23469  2349   
1268   1368   2368   | 23489  2369   349    | 2469   5      7     

(7=3) r6c5 - (3=9) r3c5 - (9=6837) r1237c6 => -7 r5c6, r7c5, stte
Phil
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Re: AU Tough July 13, 2013

Postby Leren » Sat Jul 13, 2013 6:01 am

Same eliminations but via a W Wing (37) with grouped strong link on 3:

Code: Select all
*-----------------------------------------------------------------------*
| 3      14678  6789    | 25     25     689     | 14789  479    1489    |
| 1568   168    5689    | 7      4      3689    | 1289   239    12389   |
| 48     2      789     | 1      39     389     | 5      3479   6       |
|-----------------------+-----------------------+-----------------------|
| 7      3468   3568    |b3459   359    2       | 4689   1      489     |
| 2456   46     1       | 459    8      49-7    | 3      24679  249     |
| 248    9      238     | 6     a37     1       | 2478   247    5       |
|-----------------------+-----------------------+-----------------------|
| 9      5      4       |c23     236-7 d37      | 126    8      123     |
| 268    3678   23678   |c23489  1      5       | 2469   23469  2349    |
| 1268   1368   2368    |c23489  2369   349     | 2469   5      7       |
*-----------------------------------------------------------------------*

(7=3) r6c5 - r4c4 = r789c4 - (3=7) r7c6 => - 7 r5c6, r7c5; stte

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Re: AU Tough July 13, 2013

Postby Marty R. » Sat Jul 13, 2013 3:59 pm

I just played the wrong puzzle and got a neat solution. Clicked the link and got this:

Code: Select all
+-------+-------+-------+
| . 4 6 | . . 8 | 9 . . |
| . 5 . | . . . | . . . |
| . . . | 7 4 . | . . 3 |
+-------+-------+-------+
| . . . | 9 . . | 2 8 . |
| . . . | . . 6 | . . . |
| 1 . . | . . 4 | . . . |
+-------+-------+-------+
| . . . | 2 3 . | 7 . . |
| . . . | . . . | . 1 . |
| . 2 3 | . 5 . | . . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site
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Re: AU Tough July 13, 2013

Postby daj95376 » Sat Jul 13, 2013 4:41 pm

Marty R. wrote:I just played the wrong puzzle and got a neat solution. Clicked the link and got this:

0:4:6:0:0:8:9:0:0:0:5:0:0:0:0:0:0:0:0:0:0:7:4:0:0:0:3:0:0:0:9:0:0:2:8:0:0:0:0:0:0:6:0:0:0:1:0:0:0:0:4:0:0:0:0:0:0:2:3:0:7:0:0:0:0:0:0:0:0:0:1:0:0:2:3:0:5:0:0:0:0:

Yes, Dan forgot to update the "puzzle string" in the URL. This has happened previously. It's always a good idea to double-check his listed puzzle against the one loaded by the URL.

Here's the correct URL.

Play this puzzle online at the Daily Sudoku site
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Re: AU Tough July 13, 2013

Postby ArkieTech » Sat Jul 13, 2013 4:42 pm

Marty R. wrote:I just played the wrong puzzle and got a neat solution. Clicked the link and got this:

OOPS :oops: I also have senior moments.

Did you get a single advanced step solution? If you want save it and I will post it as tomorrows puzzle.
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Re: AU Tough July 13, 2013

Postby Marty R. » Sat Jul 13, 2013 5:25 pm

Did you get a single advanced step solution? If you want save it and I will post it as tomorrows puzzle.


Yes, a one-stepper, but don't post it on my account. Just go ahead and post the puzzle you were originally planning on.

As to today's puzzle, I also played the 37 W-Wing.
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Re: AU Tough July 13, 2013

Postby tlanglet » Sat Jul 13, 2013 7:34 pm

It may be that this puzzle is cursed! I posted my solution to this puzzle on the Pattern Game thread we had yesterday.

My solution is a different pattern but essentially same deletions........

Code: Select all
*--------------------------------------------------------------------*
 | 3      14678  6789   | 25     25     689    | 14789  479    1489   |
 | 1568   168    5689   | 7      4      3689   | 1289   239    12389  |
 | 48     2      789    | 1      39     389    | 5      3479   6      |
 |----------------------+----------------------+----------------------|
 | 7      3468   3568   |e3459   359    2      |a4689   1      489    |
 | 2456  c46     1      |d459    8     d479    | 3     b24679  249    |
 | 248    9      238    | 6      37     1      | 2478   247    5      |
 |----------------------+----------------------+----------------------|
 | 9      5      4      |*23     267-3  7-3    |*12=6   8     *123    |
 | 268    3678   23678  |f23489  1      5      | 2469   23469  2349   |
 | 1268   1368   2368   |f23489  2369   349    | 2469   5      7      |
 *--------------------------------------------------------------------*

ANS(123=6)r7c479-6r4c7=r5c8-(6=4)r5c2-r5c46=(4-3)r4c4=3r789c4 => r7c56<>3

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