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From the archives Vanhegan extreme Dec 22, 2011

dailysudoku.com Forum Index -> Other puzzles

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arkietech

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

Posted: Thu Jun 07, 2012 5:39 am Post subject: From the archives Vanhegan extreme Dec 22, 2011

Code:

*-----------*
|.71|...|64.|
|.5.|.8.|.3.|
|8..|...|..5|
|---+---+---|
|.6.|317|.2.|
|3..|5.4|..6|
|.2.|698|.5.|
|---+---+---|
|7..|...|..1|
|.9.|.3.|.6.|
|.12|...|38.|
*-----------*

Play/Print online

tlanglet

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

Posted: Thu Jun 07, 2012 1:11 pm Post subject:

Code after basics:

Code:

*--------------------------------------------------------------------*
| 29 7 1 | 29 5 3 | 6 4 8 |
| 2469 5 469 | 12479 8 1269 | 1279 3 279 |
| 8 34 3469 | 12479 467 1269 | 1279 17 5 |
|----------------------+----------------------+----------------------|
| 459 6 459 | 3 1 7 | 8 2 49 |
| 3 8 79 | 5 2 4 | 179 17 6 |
| 1 2 47 | 6 9 8 | 47 5 3 |
|----------------------+----------------------+----------------------|
| 7 34 34568 | 248 46 256 | 245 9 1 |
| 45 9 458 | 12478 3 125 | 2457 6 247 |
| 456 1 2 | 479 467 569 | 3 8 47 |
*--------------------------------------------------------------------*

I haven't been able to work on a puzzle for a couple of days and just got carried away with this one..............

axy-wing(49-7(r4c9+r2c9|r6c7 & fin(2)r2c9 plus two transport
[(7)r8c7=(7)r89c9-(7=9)r2c9-(9=4)r4c9-(4=7)r6c7]=(*2)r2c9-(2=47)r89c9-(4)r78c7=r6c7-(4=7)r6c3-(7=9)r5c3-(9=45)r48c1-(5)r9c1=(5-9)r9c6=r9c4-(9=2)r1c4-(2)r1c1 => Conflict: No 2s in box1; r2c9<>2, r235<>7

Another deletion is possible:

Code:

(7)r6c7-r8c7=r89c9-r2c9 \
\ r3c8=7-r3c45=(7)r2c4; r8c4<>7
-r23c7 /

I tried marking the code grid but it was too messy.

Ted

tlanglet

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

Posted: Thu Jun 07, 2012 1:26 pm Post subject:

I seem to be in a "long chain" mode today......... (6=4)r7c5-r7c2=r3c2-r3c45=(4-7)r2c4=r3c45-r3c8=r5c8-(7=9)r5c3-(9=45)r48c1-(45=6)r9c1; r9c5<>6 Ted

arkietech

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

Posted: Thu Jun 07, 2012 1:47 pm Post subject:

long chains -- me too Sad

Code:

*--------------------------------------------------------------------*
| 29 7 1 | 29 5 3 | 6 4 8 |
| 2469 5 469 | 12479 8 1269 | 1279 3 279 |
| 8 34 3469 | 12479 d467 1269 | 1279 e17 5 |
|----------------------+----------------------+----------------------|
| 45-9 6 45-9 | 3 1 7 | 8 2 a49 |
| 3 8 g79 | 5 2 4 | 17-9 f17 6 |
| 1 2 47 | 6 9 8 | 47 5 3 |
|----------------------+----------------------+----------------------|
| 7 34 34568 | 248 46 256 | 245 9 1 |
| 45 9 458 | 12478 3 125 | 2457 6 247 |
| 456 1 2 | 479 c467 569 | 3 8 b47 |
*--------------------------------------------------------------------*
(9=4)r4c9-(4=7)r9c9-r9c5=r3c5-r3c8=r5c8-(7=9)r5c3 => r4c13,r5c7<>9; lclste

Play online/Print

SudoQ

Joined: 02 Aug 2011
Posts: 127

Posted: Thu Jun 07, 2012 2:35 pm Post subject:

Code:

r9c5=7 -> r9c9=4 -> r6c7=4
r3c5=7 -> r5c8=7 => r6c7<>7

Shorter chains?

/SudoQ

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Thu Jun 07, 2012 3:44 pm Post subject:

arkietech wrote:

long chains -- me too Sad

Code:

also: b-c-d-e-f-r6c7 + naked pair

Marty R.

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

Posted: Thu Jun 07, 2012 4:39 pm Post subject:

Finned X-Wing, c19; r2c3<>9 Above move exposes W-Wing (46), SL 4 in c2; r7c3<>6

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