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Vanhegan fiendish September 11, 2012 (vh)

 
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arkietech



Joined: 31 Jul 2008
Posts: 1686
Location: Northwest Arkansas USA

PostPosted: Tue Sep 11, 2012 6:32 am    Post subject: Vanhegan fiendish September 11, 2012 (vh) Reply with quote

Code:

 *-----------*
 |...|...|..9|
 |.7.|9..|...|
 |2.6|..1|.38|
 |---+---+---|
 |.82|.49|..1|
 |...|8.6|...|
 |4..|23.|58.|
 |---+---+---|
 |85.|6..|9.3|
 |...|..3|.6.|
 |9..|...|...|
 *-----------*
 

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Clement



Joined: 24 Apr 2006
Posts: 638
Location: Dar es Salaam Tanzania

PostPosted: Tue Sep 11, 2012 8:30 am    Post subject: Vanhagen fiendish September 11, 2012(vh) Reply with quote

Code:

+----------+-------------+--------------+
| 15 4 158 | 3   267 28  | 1267 125  9  |
| 3  7 158 | 9   -26  B248 | 1246 1245 A24 |
| 2  9 6   | 47  5   1   | 47   3    8  |
+----------+-------------+--------------+
| 6  8 2   | 5   4   9   | 3    7    1  |
| 57 3 57  | 8   1   6   | 24   9    24 |
| 4  1 9   | 2   3   7   | 5    8    6  |
+----------+-------------+--------------+
| 8  5 147 | 6   D27  C24  | 9    14   3  |
| 17 2 147 | 147 9   3   | 8    6    5  |
| 9  6 3   | 14  8   5   | 124  124  7  |
+----------+-------------+--------------+
M-Wing 24
(2=4)r2c9-r2c6=(4-2)r7c6=2r7c5 =>r2c5<>2
and Type 1 UR 24 in Grid r25c79; r2c7<>24 solve it.
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Marty R.



Joined: 12 Feb 2006
Posts: 5061
Location: Rochester, NY, USA

PostPosted: Tue Sep 11, 2012 4:34 pm    Post subject: Reply with quote

Code:
+----------+-------------+--------------+
| 15 4 158 | 3   267 28  | 1267 125  9  |
| 3  7 158 | 9   26  248 | 1246 1245 24 |
| 2  9 6   | 47  5   1   | 47   3    8  |
+----------+-------------+--------------+
| 6  8 2   | 5   4   9   | 3    7    1  |
| 57 3 57  | 8   1   6   | 24   9    24 |
| 4  1 9   | 2   3   7   | 5    8    6  |
+----------+-------------+--------------+
| 8  5 147 | 6   27  24  | 9    14   3  |
| 17 2 147 | 147 9   3   | 8    6    5  |
| 9  6 3   | 14  8   5   | 124  124  7  |
+----------+-------------+--------------+ 


I saw three moves.

XYZ-Wing on 248, pivoted in r2c6.
W-Wing on 24 in boxes 38 with SL2 in c5.
Potential DP 58-28-25 in boxes 123 yields several common outcomes.

I tried the potential DP 15-57-17 in boxes 147, but didn't see anything productive.
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arkietech



Joined: 31 Jul 2008
Posts: 1686
Location: Northwest Arkansas USA

PostPosted: Tue Sep 11, 2012 7:46 pm    Post subject: Reply with quote

Code:

 *-----------------------------------------------------------*
 | 15    4     158   | 3     67   a28    | 67    125   9     |
 | 3     7     158   | 9     6-2  b248   | 1246  1245 c24    |
 | 2     9     6     | 47    5     1     | 47    3     8     |
 |-------------------+-------------------+-------------------|
 | 6     8     2     | 5     4     9     | 3     7     1     |
 | 57    3     57    | 8     1     6     | 24    9     24    |
 | 4     1     9     | 2     3     7     | 5     8     6     |
 |-------------------+-------------------+-------------------|
 | 8     5     147   | 6     27    24    | 9     14    3     |
 | 17    2     147   | 147   9     3     | 8     6     5     |
 | 9     6     3     | 14    8     5     | 124   124   7     |
 *-----------------------------------------------------------*
xyz-wing
(2=8)r1c6-(8=42)r2c69 => -2r2c5; stte

r1c6 and r2c69 form pinchers on 2 (at least one cell will be a 2)


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