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Vanhegan Fiendish Aug 7

 
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Fri Aug 07, 2009 2:29 pm    Post subject: Vanhegan Fiendish Aug 7 Reply with quote
I found today's Vanhegan Fiendish puzzle very enjoyable.
Code:

   *-----------*
 |29.|..7|3.4|
 |..5|3..|6..|
 |...|..9|.52|
 |---+---+---|
 |.6.|...|...|
 |9..|2.1|..5|
 |...|...|.4.|
 |---+---+---|
 |68.|5..|...|
 |..9|..3|2..|
 |4.3|9..|.17|
 *-----------*

Ted
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Fri Aug 07, 2009 6:18 pm    Post subject: Reply with quote
here is a clickable version of the puzzle, to print or play online.
Code:

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

Play this puzzle online at the Daily Sudoku site

Keith
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sat Aug 08, 2009 3:57 am    Post subject: Reply with quote
Code:
.---------------------.---------------------.---------------------.
| 2      9      16    | 16     5      7     | 3      8      4     |
| 178    147    5     | 3      2      48    | 6      79     19    |
| 1378   1347   14678 | 1468   14     9     | 17     5      2     |
:---------------------+---------------------+---------------------:
| 13578  6      178   | 478    39     458   | 1789   2      13    |
| 9      347    478   | 2      6      1     | 78     37     5     |
| 13578  1357   2     | 78     39     58    | 1789   4      6     |
:---------------------+---------------------+---------------------:
| 6      8      17    | 5      17     2     | 4      39     39    |
| 157    157    9     | 14     147    3     | 2      6      8     |
| 4      2      3     | 9      8      6     | 5      1      7     |
'---------------------'---------------------'---------------------'

(4=1)r8c4 - (1)r1c4 = (1)r1c3 - (1=7)r7c3 - (7)r7c5 = (7)r8c5; r8c5 <> 4
UR type 1 {1,6} removes 1 and 6 from r3c3
xy-wing {378} removes 7 from r6c2
w-wing {13} removes 1 from r4c3
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sun Aug 09, 2009 3:22 am    Post subject: Reply with quote
I used six steps to complete this puzzle.
ER1 with hinge in box 7 and strong link in row1,
Type 1 UR 16 in r13c34,
Skyscraper on 7 in r25c8,
xy-wing 17-3 with pivot 17 in r2c1 and extended pincer 37 and transport,
x-wing 1 in r36c27,
BUG+1 sets r6c7=7.

Ted
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