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Another one

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arkietech

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

Posted: Wed Nov 25, 2009 10:46 pm Post subject: Another one

I did not see an xy-wing in this one either Smile

Code:

*-----------*
|.7.|6..|.3.|
|..4|3..|9..|
|32.|..7|56.|
|---+---+---|
|.4.|.1.|...|
|..8|...|7..|
|...|.3.|.2.|
|---+---+---|
|.62|8..|.19|
|..7|..9|6..|
|.8.|..3|.7.|
*-----------*

storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Thu Nov 26, 2009 12:44 am Post subject:

I do.

Code:

+-----------------+-------------------+----------------+
| 8 7 59-1 | 6 59-4 15(4) | 124 3 124 |
| 6 15 4 | 3 25 125 | 9 8 7 |
| 3 2 9(1) | 9(4) 8 7 | 5 6 (14) |
+-----------------+-------------------+----------------+
| 257 4 3 | 2579 1 25 | 8 59 6 |
| 125 159 8 | 2459 2459 6 | 7 459 3 |
| 57 59 6 | 4579 3 8 | 14 2 145 |
+-----------------+-------------------+----------------+
| 4(5) 6 2 | 8 7 (45) | 3 1 9 |
| 14-5 3 7 | 1245 245 9 | 6 45 8 |
| 9 8 (15) | 145 6 3 | 24 7 245 |
+-----------------+-------------------+----------------+

loop...(5=1)r9c3 - (1)r3c3 = (1-4)r3c9 = (4)r3c4 - (4)r1c6 = (4-5)r7c6 = (5)r7c1;
r1c3 <>1
r1c5 <> 4
r8c2 <> 5

Code:

+-----------------+-----------------+-----------------+
| 8 7 59 | 6 59 145 | 124 3 124 |
| 6 15 4 | 3 25 125 | 9 8 7 |
| 3 2 19 | 49 8 7 | 5 6 14 |
+-----------------+-----------------+-----------------+
| 257 4 3 | 2579 1 25 | 8 59 6 |
| 125 159 8 | 2459 2459 6 | 7 459 3 |
| 57 59 6 | 4579 3 8 | 14 2 145 |
+-----------------+-----------------+-----------------+
| 45 6 2 | 8 7 45 | 3 1 9 |
| (14) 3 7 | 1245 245 9 | 6 (45) 8 |
| 9 8 (15) | 145 6 3 | 24 7 24-5 |
+-----------------+-----------------+-----------------+

xy-wing finishes.
(5=1)r9c3 - (1=4)r8c1 - (4=5)r8c8; r9c9 <> 5

arkietech

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

Posted: Thu Nov 26, 2009 2:34 am Post subject:

All I saw was the swordfish 4 which did it with a single step. Norm you are good!

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