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Vanhegan fiendish june 28, 2012

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arkietech

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

Posted: Thu Jun 28, 2012 7:32 am Post subject: Vanhegan fiendish june 28, 2012

Code:

*-----------*
|.9.|.67|8..|
|..2|4..|..7|
|1.8|...|.4.|
|---+---+---|
|9..|.2.|7..|
|4..|8.6|..3|
|..1|.7.|..8|
|---+---+---|
|.1.|...|6.9|
|8..|..5|1..|
|..6|21.|.8.|
*-----------*

Play/Print online

tlanglet

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

Posted: Thu Jun 28, 2012 12:58 pm Post subject:

Code after basics:

Code:

*--------------------------------------------------*
| 35 9 4 | 35 6 7 | 8 2 1 |
| 356 36 2 | 4 8 1 | 359 359 7 |
| 1 7 8 | 359 59 2 | 35 4 6 |
|----------------+----------------+----------------|
| 9 8 35 | 1 2 34 | 7 6 45 |
| 4 25 7 | 8 59 6 | 259 1 3 |
| 36 236 1 | 59 7 34 | 24 59 8 |
|----------------+----------------+----------------|
| 2 1 35 | 7 4 8 | 6 35 9 |
| 8 4 9 | 6 3 5 | 1 7 2 |
| 7 35 6 | 2 1 9 | 345 8 45 |
*--------------------------------------------------*

6-cell AUR(35)r123c147 Internal SIS : (6)r2c1, (9)r2c7, (9)r3c4; r1c4<>5
(6)r2c1-(6=3)r2c2-(3=5)r1c1; r1c4<>5
||
(9)r2c7-r5c7=r5c5-(9-5)r3c5; r1c4<>5
||
(9)r3c4-(9=5)r3c5; r1c4<>5

Ted

aran

Joined: 19 Apr 2010
Posts: 70

Posted: Thu Jun 28, 2012 1:01 pm Post subject:

Code:

BUG Lite35 r123c147={6r2c1, 9r2c7, 9r3c4}
9r2c7-r5c7=r5c5-r6c4=9r3c4-(9=5)r3c5 :=> r3c7=3
6r2c1-(6=3)r2c2-r2c78 : =>r3c7=3 ste

tlanglet

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

Posted: Thu Jun 28, 2012 1:41 pm Post subject:

aran wrote:

BUG Lite35 r123c147={6r2c1, 9r2c7, 9r3c4}
9r2c7-r5c7=r5c5-r6c4=9r3c4-(9=5)r3c5 :=> r3c7=3
6r2c1-(6=3)r2c2-r2c78 : =>r3c7=3 ste

This puzzle has several (lots?) solutions including VH & VH+ techniques. So, I find it interesting that we both posted the same more complicated solution, and we even did it at the same time.

Ted

Marty R.

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

Posted: Thu Jun 28, 2012 4:27 pm Post subject:

Code:

Quote:

So, I find it interesting that we both posted the same more complicated solution,

Simpletons post simple solutions. Laughing

Four-cell simple coloring chain running from r9c2 to r4c9; r9c9<>5.

arkietech

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

Posted: Thu Jun 28, 2012 6:39 pm Post subject:

Code:

*--------------------------------------------------*
| 35 9 4 | 35 6 7 | 8 2 1 |
| 356 36 2 | 4 8 1 | 359 359 7 |
| 1 7 8 | 359 59 2 | 35 4 6 |
|----------------+----------------+----------------|
| 9 8 3-5 | 1 2 34 | 7 6 *45 |
| 4 *25 7 | 8 59 6 | 29-5 1 3 |
| 36 236 1 | 59 7 34 | 24 59 8 |
|----------------+----------------+----------------|
| 2 1 35 | 7 4 8 | 6 35 9 |
| 8 4 9 | 6 3 5 | 1 7 2 |
| 7 *35 6 | 2 1 9 | 345 8 *45 |
*--------------------------------------------------*
Skyscraper
5r5c2=r9c2-r9c9=5r4c9 => -5r4c3,r5c7; stte

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