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vanhegan fiendish 11/29/09

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storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Sun Nov 29, 2009 5:56 pm Post subject: vanhegan fiendish 11/29/09

000009150069000000000507680400002060600030007030900004054608000000000490028700000

Code:

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

Play online

keith

Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

Posted: Sun Nov 29, 2009 9:23 pm Post subject:

After basics:

Code:

+----------------+----------------+----------------+
| 8 47 27 | 234 6 9 | 1 5 23 |
| 5 6 9 | 1238 128 13 | 7 4 23 |
| 12 14 3 | 5 24 7 | 6 8 9 |
+----------------+----------------+----------------+
| 4 9 17 | 18 178 2 | 3 6 5 |
| 6 8 125 | 14 3 145 | 9 12 7 |
| 27 3 1257 | 9 157 6 | 8 12 4 |
+----------------+----------------+----------------+
| 3 5 4 | 6 9 8 | 2 7 1 |
| 17 17 6 | 23 25 35 | 4 9 8 |
| 9 2 8 | 7 14 14 | 5 3 6 |
+----------------+----------------+----------------+

Probably not the most effective way, but I used the following wings:

Quote:

XYZ -127, X -1, W -23, W -14, half M 2-3

(Looking at this again, it seems I made a lucky mistake with the M-wing.)
Keith

arkietech

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

Posted: Sun Nov 29, 2009 11:26 pm Post subject:

A one stepper:

Quote:

(1=3)r2c6-(3=5)r8c6-(5=2)r8c5-(2=4)r3c5-(4=1)r9c5 => r2c5,r9c6<>1;
singles

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Mon Nov 30, 2009 1:47 pm Post subject:

Assuming the manual solvers are done, I have ...

After basics:

Code:

<18> Hidden UR r24c45 <> 1 r2c5
(overlap elimination left for W-Wing) <> 1 r4c5
+--------------------------------------------------------------+
| 8 47 27 | 234 6 9 | 1 5 23 |
| 5 6 9 | *1238 *128 13 | 7 4 23 |
| 12 14 3 | 5 24 7 | 6 8 9 |
|--------------------+--------------------+--------------------|
| 4 9 17 | *18 *178 2 | 3 6 5 |
| 6 8 125 | 14 3 145 | 9 12 7 |
| 27 3 1257 | 9 157 6 | 8 12 4 |
|--------------------+--------------------+--------------------|
| 3 5 4 | 6 9 8 | 2 7 1 |
| 17 17 6 | 23 25 35 | 4 9 8 |
| 9 2 8 | 7 14 14 | 5 3 6 |
+--------------------------------------------------------------+
# 39 eliminations remain

Code:

W-Wing: (1=4)a - b = c - (4=1)d => r46c5<>1
+--------------------------------------------------------------+
| 8 47 27 | c234 6 9 | 1 5 23 |
| 5 6 9 | 1238 28 13 | 7 4 23 |
| 12 14 3 | 5 b24 7 | 6 8 9 |
|--------------------+--------------------+--------------------|
| 4 9 17 | 18 78-1 2 | 3 6 5 |
| 6 8 125 | d14 3 145 | 9 12 7 |
| 27 3 1257 | 9 57-1 6 | 8 12 4 |
|--------------------+--------------------+--------------------|
| 3 5 4 | 6 9 8 | 2 7 1 |
| 17 17 6 | 23 25 35 | 4 9 8 |
| 9 2 8 | 7 a14 14 | 5 3 6 |
+--------------------------------------------------------------+
# 38 eliminations remain

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