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Dec 24 VH

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hughwill

Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK

Posted: Thu Dec 24, 2015 10:47 am Post subject: Dec 24 VH

Code:

+---------------+--------+--------------+
| 3 46 7 | 1 2 8 | 46 5 9 |
| 9 268 168 | 5 3 4 | 18 26 7 |
| 124 5 148 | 9 7 6 | 138 24 138 |
+---------------+--------+--------------+
| 147 9 1348 | 6 18 5 | 2 47 138 |
| 127 268 168 | 4 9 3 | 168 67 158 |
| 14 3468 5 | 2 18 7 | 13468 9 138 |
+---------------+--------+--------------+
| 5 34 34 | 7 6 1 | 9 8 2 |
| 8 7 2 | 3 4 9 | 5 1 6 |
| 6 1 9 | 8 5 2 | 7 3 4 |
+---------------+--------+--------------+

Play this puzzle online at the Daily Sudoku site

I needed 3 X-Wings and an XY-wing to crack it. I've got too much cooking
to do to list in detail.....

Hugh Very Happy

williamholiday

Joined: 01 Apr 2011
Posts: 28
Location: Connecticut USA

Posted: Thu Dec 24, 2015 1:40 pm Post subject: maybe these are those

ho, ho, ho... x p:r13c27,r2c2 &r5c27<>6; x p:r25c27, r25c3<>8; x p:r25c37, r5c1<>1 & xy(146) p:r1c6, r8c5<>6 whew...

Marty R.

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

Posted: Thu Dec 24, 2015 8:03 pm Post subject:

Code:

+---------------+--------+--------------+
| 3 46 7 | 1 2 8 | 46 5 9 |
| 9 268 168 | 5 3 4 | 18 26 7 |
| 124 5 148 | 9 7 6 | 138 24 138 |
+---------------+--------+--------------+
| 147 9 1348 | 6 18 5 | 2 47 138 |
| 127 268 168 | 4 9 3 | 168 67 5 |
| 14 3468 5 | 2 18 7 | 13468 9 138 |
+---------------+--------+--------------+
| 5 34 34 | 7 6 1 | 9 8 2 |
| 8 7 2 | 3 4 9 | 5 1 6 |
| 6 1 9 | 8 5 2 | 7 3 4 |
+---------------+--------+--------------+

Play this puzzle online at the Daily Sudoku site

I think it's four moves, the first of which does nothing
1) XYZ-Wing (147)pr4c1=> -4r4c3
2) X-Wing (6)r16=> -6r25c2,r5c6
3) X-Wing (8)c27=> -8r25c3
4) (XY-Wing (14-6) pr6c1=> -6r5c8,r6c2

I could be wrong. There's a lot of screwing around with basics after these moves and trying to keep track of them.

bat999

Joined: 09 Jul 2015
Posts: 55
Location: UK

Posted: Fri Dec 25, 2015 12:42 am Post subject:

Code:

.---------------------.----------.-------------------.
| 3 46 7 | 1 2 8 | 46 5 9 |
| 9 268 c168 | 5 3 4 | d18 26 7 |
| 124 5 148 | 9 7 6 | 138 24 138 |
:---------------------+----------+-------------------:
| g147 9 1348 | 6 18 5 | 2 4-7 138 |
| f12-7 268 bf168 | 4 9 3 | e168 a67 5 |
| g14 3468 5 | 2 18 7 | 13468 9 138 |
:---------------------+----------+-------------------:
| 5 34 34 | 7 6 1 | 9 8 2 |
| 8 7 2 | 3 4 9 | 5 1 6 |
| 6 1 9 | 8 5 2 | 7 3 4 |
'---------------------'----------'-------------------'

(7=6)r5c8 - r5c3 = (6-1)r2c3 = r2c7 - r5c7 = r5c13 - (1=7)r46c1 => -7 r4c8,r6c1; stte
Cool

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