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Vanhegan extreme June 11, 2012

 
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arkietech



Joined: 31 Jul 2008
Posts: 1727
Location: Northwest Arkansas USA

PostPosted: Mon Jun 11, 2012 5:27 am    Post subject: Vanhegan extreme June 11, 2012 Reply with quote

Code:

 *-----------*
 |4..|1.2|..6|
 |...|847|...|
 |...|...|...|
 |---+---+---|
 |5.6|.1.|7.3|
 |19.|...|.52|
 |8.7|.3.|9.4|
 |---+---+---|
 |...|...|...|
 |...|678|...|
 |3..|4.5|..1|
 *-----------*
 

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SudoQ



Joined: 02 Aug 2011
Posts: 127

PostPosted: Mon Jun 11, 2012 5:40 pm    Post subject: Reply with quote

Code:
|---------------------|----------|------------------|
| 4       378   89    | 1  5   2 | 38     379    6  |
| 269     1356  1259  | 8  4   7 | 1235   239    59 |
|(27)     1578  1258  | 9  6   3 | 12458  247    78 |
|---------------------|----------|------------------|
| 5       4     6     | 2  1   9 | 7      8      3  |
| 1       9     3     | 7  8   4 | 6      5      2  |
| 8       2     7     | 5  3   6 | 9      1      4  |
|---------------------|----------|------------------|
|29(6)-7 5(6)78 24589 | 3  29  1 | 2458  247(69) 78 |
|(29)     15    12459 | 6  7   8 | 2345  234(9) 5(9)|
| 3      (67)   289   | 4  29  5 | 28     67     1  |
|---------------------|----------|------------------|

/SudoQ
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arkietech



Joined: 31 Jul 2008
Posts: 1727
Location: Northwest Arkansas USA

PostPosted: Mon Jun 11, 2012 6:27 pm    Post subject: Reply with quote

SudoQ, I like Very Happy
Code:
 *--------------------------------------------------------------------*
 | 4      378    89     | 1      5      2      | 38     379    6      |
 | 269    1356   1259   | 8      4      7      | 1235   239    59     |
 |a27     1578   1258   | 9      6      3      | 12458  247    8-7    |
 |----------------------+----------------------+----------------------|
 | 5      4      6      | 2      1      9      | 7      8      3      |
 | 1      9      3      | 7      8      4      | 6      5      2      |
 | 8      2      7      | 5      3      6      | 9      1      4      |
 |----------------------+----------------------+----------------------|
 | 269-7  5678   24589  | 3      29     1      |c2458   24679 c78     |
 |b29     15     12459  | 6      7      8      |c2345  c2349  c59     |
 | 3      67     289    | 4      29     5      |c28     67     1      |
 *--------------------------------------------------------------------*
(7=2)r3c1-(2=9)r8c1-(9=52348=7)r789c7,r8c8,r78c9 => r3c9,r7c1<>7; stte
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SudoQ



Joined: 02 Aug 2011
Posts: 127

PostPosted: Mon Jun 11, 2012 7:25 pm    Post subject: Reply with quote

arkietech wrote:
SudoQ, I like Very Happy

Thanks!

Since this puzzle was a bit harder than usual, I thought it existed a clever UR-solution (which I don't master).
I tried it in a public solver program that used 14 steps (including AIC and XY-Chain)...

/SudoQ
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Marty R.



Joined: 12 Feb 2006
Posts: 5164
Location: Rochester, NY, USA

PostPosted: Tue Jun 12, 2012 1:20 am    Post subject: Reply with quote

Suffice it to say that I solved the puzzle, but only after hacking away at it with seven moves.
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tlanglet



Joined: 17 Oct 2007
Posts: 2461
Location: Northern California Foothills

PostPosted: Wed Jun 13, 2012 2:57 pm    Post subject: Reply with quote

This was a fun and also a frustrating puzzle! I found lots of chains but they all provided useless deletions. Mad

Finally I hit a good combination........

(7)r1c8=(7)r1c2-(7=2)r3c1-(2=9)r8c1-r8c89=(9-6)r7c8=r7c2-(6=7)r9c2; r9c8<>7

Ted
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