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Vanhegan fiendish September 26, 2012

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arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Thu Sep 27, 2012 6:55 am Post subject: Vanhegan fiendish September 26, 2012

Code:

*-----------*
|853|..2|...|
|.6.|1..|...|
|..1|...|9.6|
|---+---+---|
|.3.|4..|5..|
|6..|2.9|..3|
|..9|..5|.1.|
|---+---+---|
|7.8|...|3..|
|...|..8|.4.|
|...|9..|258|
*-----------*

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tlanglet

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

Posted: Thu Sep 27, 2012 2:43 pm Post subject:

Code after basics:

Code:

*-----------------------------------------------------------*
| 8 5 3 | 6 9 2 | 14 7 14 |
| 9 6 247 | 1 47 347 | 8 23 5 |
| 24 247 1 | 8 5 347 | 9 23 6 |
|-------------------+-------------------+-------------------|
| 1 3 27 | 4 8 6 | 5 9 27 |
| 6 47 5 | 2 1 9 | 47 8 3 |
| 24 8 9 | 7 3 5 | 6 1 24 |
|-------------------+-------------------+-------------------|
| 7 1249 8 | 5 24 14 | 3 6 19 |
| 5 19 26 | 3 26 8 | 17 4 179 |
| 3 14 46 | 9 467 147 | 2 5 8 |
*-----------------------------------------------------------*

I found numerous two step solutions but it was fun viewing essentially the same logic in different ways to find a one step solution.

2r4c3=(2-4)r6c1=(4=1=9=2)r5987c2; -2r8c3

Ted

Clement

Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

Posted: Thu Sep 27, 2012 2:57 pm Post subject: Vanhagen Fiendish September 26, 2012

Code after Basics

Code:

+-------------+-----------+-----------+
| 8 5 3 | 6 9 2 | 14 7 14 |
| 9 6 2-47 | 1 47 347 | 8 23 5 |
| A24 247 1 | 8 5 347 | 9 23 6 |
+-------------+-----------+-----------+
| 1 3 D27 | 4 8 6 | 5 9 27 |
| 6 C47 5 | 2 1 9 | 47 8 3 |
| B24 8 9 | 7 3 5 | 6 1 24 |
+-------------+-----------+-----------+
| 7 1249 8 | 5 24 14 | 3 6 19 |
| 5 19 E26 | 3 26 8 | 17 4 179 |
| 3 14 F46 | 9 467 147 | 2 5 8 |
+-------------+-----------+-----------+

XY-Chain ABCDEF as follows:-
(4=2)r3c1-(2=4)r6c1-(4=7)r5c2-(7=2)-(2=6)r8c3-(6=4); r2c3<>4 solves it.

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Thu Sep 27, 2012 2:58 pm Post subject:

tlanglet wrote:

2r4c3=(2-4)r6c1=(4=1=9=2)r5987c2; -2r8c3

nice find

we are on the same page

Code:

*-----------------------------------------------------------*
| 8 5 3 | 6 9 2 | 14 7 14 |
| 9 6 d27-4 | 1 47 347 | 8 23 5 |
|a24 247 1 | 8 5 347 | 9 23 6 |
|-------------------+-------------------+-------------------|
| 1 3 c27 | 4 8 6 | 5 9 27 |
| 6 47 5 | 2 1 9 | 47 8 3 |
|B24 8 9 | 7 3 5 | 6 1 24 |
|-------------------+-------------------+-------------------|
| 7 1249 8 | 5 24 14 | 3 6 19 |
| 5 19 26 | 3 26 8 | 17 4 179 |
| 3 14 46 | 9 467 147 | 2 5 8 |
*-----------------------------------------------------------*
Hybrid wing (xyz)
(4=2)r3c1-r6c1=(2-7)r4c3=7r2c3 => -4r2c3; stte

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Marty R.

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

Posted: Thu Sep 27, 2012 4:38 pm Post subject:

Code:

+---------------+-----------+-----------+
| 8 5 3 | 6 9 2 | 14 7 14 |
| 9 6 C247 | 1 47 347 | 8 23 5 |
| 24 B247 1 | 8 5 347 | 9 23 6 |
+---------------+-----------+-----------+
| 1 3 27 | 4 8 6 | 5 9 27 |
| 6 A47 5 | 2 1 9 | 47 8 3 |
| 24 8 9 | 7 3 5 | 6 1 24 |
+---------------+-----------+-----------+
| 7 12-49 8 | 5 24 14 | 3 6 19 |
| 5 19 26 | 3 26 8 | 17 4 179 |
| 3 1-4 D46 | 9 467 147 | 2 5 8 |
+---------------+-----------+-----------+

M-Wing (47). A=7-->C=7. C<>4-->D=4; r79c2<>4.

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