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Vanhegan Extreme June 29, 2012

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arkietech

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

Posted: Sat Jun 30, 2012 5:58 am Post subject: Vanhegan Extreme June 29, 2012

Code:

*-----------*
|..5|2.8|6..|
|..2|.1.|3..|
|9..|...|..2|
|---+---+---|
|52.|347|.61|
|7..|...|..4|
|18.|596|.73|
|---+---+---|
|2..|...|..8|
|..8|.5.|1..|
|..1|7.2|9..|
*-----------*

Play/Print online

tlanglet

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

Posted: Sat Jun 30, 2012 1:53 pm Post subject:

Code after basics:

Code:

*--------------------------------------------------------------------*
| 34 347 5 | 2 37 8 | 6 1 9 |
| 8 67 2 | 469 1 49 | 3 45 57 |
| 9 1 367 | 46 37 5 | 47 8 2 |
|----------------------+----------------------+----------------------|
| 5 2 9 | 3 4 7 | 8 6 1 |
| 7 36 36 | 8 2 1 | 5 9 4 |
| 1 8 4 | 5 9 6 | 2 7 3 |
|----------------------+----------------------+----------------------|
| 2 34579 37 | 1 6 349 | 47 345 8 |
| 346 3479 8 | 49 5 349 | 1 2 67 |
| 346 345 1 | 7 8 2 | 9 345 56 |
*--------------------------------------------------------------------*

almost xy-wing with pincer transport expressed as an AIC
{(4=3)r8c1-(3=7)r7c3-(7=4)r7c7-r3c7=r3c4} = 6r8c1-(6=7)r8c9-(7=4)r7c7-r3c7=r3c4; <4>r7c2,r8c4

Ted

arkietech

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

Posted: Sat Jun 30, 2012 3:39 pm Post subject:

Code:

*--------------------------------------------------------------------*
| 34 c347 5 | 2 37 8 | 6 1 9 |
| 8 c67 2 | 469 1 49 | 3 45 57 |
| 9 1 367 | 46 37 5 | 47 8 2 |
|----------------------+----------------------+----------------------|
| 5 2 9 | 3 4 7 | 8 6 1 |
| 7 c36 36 | 8 2 1 | 5 9 4 |
| 1 8 4 | 5 9 6 | 2 7 3 |
|----------------------+----------------------+----------------------|
| 2 34579 37 | 1 6 349 | 47 345 8 |
| 346 349-7 8 | 49 5 349 | 1 2 a67 |
| 346 c345 1 | 7 8 2 | 9 345 b56 |
*--------------------------------------------------------------------*
(7=6)r8c9-(6=5)r9c9-(5346=7)r1259c2 => -7r8c2; stte

either r8c9 is a 7 or r12c2 contains a 7

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sat Jun 30, 2012 4:15 pm Post subject:

An interesting puzzle w/o using chains.

SudoQ

Joined: 02 Aug 2011
Posts: 127

Posted: Sat Jun 30, 2012 6:22 pm Post subject:

arkietech wrote:

(7=6)r8c9-(6=5)r9c9-(5346=7)r1259c2 => -7r8c2; stte

either r8c9 is a 7 or r12c2 contains a 7

Here is another one:

Code:

|-----------------|--------------|-------------|
|-----------------|--------------|-------------|
|-----------------|--------------|-------------|
| 2 347(59) 37 | 1 6 349 | 47 345 8 |
| 346 34(97) 8 | 49 5 349 | 1 2 (7)-6|
| 346 34(5) 1 | 7 8 2 | 9 345 (56)|
|-----------------|--------------|-------------|

/SudoQ

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