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Vanhegan Extreme 05/28/12

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tlanglet

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

Posted: Mon May 28, 2012 1:27 pm Post subject: Vanhegan Extreme 05/28/12

I will also help Dan with this ............

Code:

+-------+-------+-------+
| . . . | . . . | . . . |
| . . . | 4 8 6 | . . . |
| 5 3 . | 7 1 9 | . 4 6 |
+-------+-------+-------+
| 2 5 . | . 6 . | . 3 1 |
| . . 9 | . . . | 6 . . |
| 4 6 . | . 7 . | . 2 8 |
+-------+-------+-------+
| 6 9 . | 8 4 7 | . 1 3 |
| . . . | 3 9 1 | . . . |
| . . . | . . . | . . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Tue May 29, 2012 2:16 am Post subject:

No one else seemed interested in this puzzle. I found an interesting pattern.

Code after basics;

Code:

*--------------------------------------------------------------------*
| 789 4 6 | 25 235 235 | 1 789 79 |
| 179 127 127 | 4 8 6 | 3 579 2579 |
| 5 3 28 | 7 1 9 | 28 4 6 |
|----------------------+----------------------+----------------------|
| 2 5 78 | 9 6 48 | 47 3 1 |
| 1378 178 9 | 12 23 48 | 6 57 457 |
| 4 6 13 | 15 7 35 | 9 2 8 |
|----------------------+----------------------+----------------------|
| 6 9 25 | 8 4 7 | 25 1 3 |
| 78 278 24578 | 3 9 1 | 24578 6 247 |
| 1378 178 13478 | 6 25 25 | 478 789 479 |
*--------------------------------------------------------------------*

Almost SdC(24578)r8c123
ab=(47)r8c9
cd=(25)r7c3
e=(8)r8c123
fin=(2)r8c9-(2=78)r8c21; r8c7<>7, r8c7,r9c123<>8
fin=(2)r8c9-r2c9=r3c7-(2=8)r3c3-(8=7)r4c3-(7=4)r4c7; r8c7<>4

Ted

arkietech

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

Posted: Tue May 29, 2012 3:05 am Post subject:

tlanglet wrote:

No one else seemed interested in this puzzle. I found an interesting pattern.

WOW!

I threw everything I had at this puzzle...it wasn't enough. Thank you for posting this jewel.

You did help me.....I think Very Happy

Marty R.

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

Posted: Tue May 29, 2012 5:09 am Post subject:

I threw in the towel.

SudoQ

Joined: 02 Aug 2011
Posts: 127

Posted: Tue May 29, 2012 8:34 am Post subject:

A bi-cell network solution:

Code:

r7c3=2 -> r8c23<>2 ->
r3c3=8 -> r3c7=2 -> r8c9=2 ->
-> r4c3=7 -> r4c7=4 -> r8c3=4
r7c3=5 -> => r8c3<>5

/SudoQ

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