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Clement
Joined: 24 Apr 2006 Posts: 1111 Location: Dar es Salaam Tanzania
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Posted: Sat Sep 07, 2013 10:32 pm Post subject: Sep 8 VH |
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Code: |
+-------------+---------+-------------+
| 1 578 578 | 4 6 2 | 9 78 3 |
| 9 2 #68 | 7 5 3 | *16 8-1 4 |
| 67 4 3 | 1 9 8 | 5 27 26 |
+-------------+---------+-------------+
| 2 67 67 | 35 1 4 | 8 35 9 |
| 358 9 15 | 35 28 7 | 4 6 12 |
| 358 135 4 | 9 28 6 | 13 1235 7 |
+-------------+---------+-------------+
| 57 57 9 | 6 3 1 | 2 4 8 |
| 4 138 *18 | 2 7 5 | 36-1 9 16 |
| 36 136 2 | 8 4 9 | 7 13 5 |
+-------------+---------+-------------+
| XY-Wing 18-68-16 pivoted in r2c3; r8c7<>1 opens another
XY-Wing 16-36-13 pivoted in r8c7; r2c8<>1; stte. |
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arkietech
Joined: 31 Jul 2008 Posts: 1834 Location: Northwest Arkansas USA
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Posted: Sun Sep 08, 2013 3:06 am Post subject: |
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Code: | *-----------------------------------------------------------*
| 1 578 578 | 4 6 2 | 9 78 3 |
| 9 2 68 | 7 5 3 | 16 18 4 |
| 67 4 3 | 1 9 8 | 5 27 26 |
|-------------------+-------------------+-------------------|
| 2 67 67 | 35 1 4 | 8 5-3 9 |
| 358 9 15 | 35 28 7 | 4 6 c12 |
| 358 135 4 | 9 28 6 |d13 125-3 7 |
|-------------------+-------------------+-------------------|
| 57 57 9 | 6 3 1 | 2 4 8 |
| 4 138 18 | 2 7 5 | 16-3 9 b16 |
| 36 136 2 | 8 4 9 | 7 a13 5 |
*-----------------------------------------------------------*
w-wing
(3=1)r9c8-r8c9=r5c9-(1=3)r6c7 => -3r46c8,r8c7; ste |
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Marty R.
Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
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Posted: Sun Sep 08, 2013 5:09 am Post subject: Re: Sep 8 VH |
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Clement wrote: | Code: |
+-------------+---------+-------------+
| 1 578 578 | 4 6 2 | 9 78 3 |
| 9 2 #68 | 7 5 3 | *16 8-1 4 |
| 67 4 3 | 1 9 8 | 5 27 26 |
+-------------+---------+-------------+
| 2 67 67 | 35 1 4 | 8 35 9 |
| 358 9 15 | 35 28 7 | 4 6 12 |
| 358 135 4 | 9 28 6 | 13 1235 7 |
+-------------+---------+-------------+
| 57 57 9 | 6 3 1 | 2 4 8 |
| 4 138 *18 | 2 7 5 | 36-1 9 16 |
| 36 136 2 | 8 4 9 | 7 13 5 |
+-------------+---------+-------------+
| XY-Wing 18-68-16 pivoted in r2c3; r8c7<>1 opens another
XY-Wing 16-36-13 pivoted in r8c7; r2c8<>1; stte. |
XY-Wing (26-1), pivot r3c9=>r6c7<>1 was enough for me unless I screwed up. |
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arkietech
Joined: 31 Jul 2008 Posts: 1834 Location: Northwest Arkansas USA
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Posted: Sun Sep 08, 2013 12:02 pm Post subject: Re: Sep 8 VH |
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Marty R. wrote: | XY-Wing (26-1), pivot r3c9=>r6c7<>1 was enough for me unless I screwed up. |
Marty,
You didn't (but I did )
Last edited by arkietech on Sun Sep 08, 2013 2:25 pm; edited 1 time in total |
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hughwill
Joined: 05 Apr 2010 Posts: 424 Location: Birmingham UK
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Posted: Sun Sep 08, 2013 12:40 pm Post subject: Re: Sep 8 VH |
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Quote: |
Marty R. wrote:
XY-Wing (26-1), pivot r3c9=>r6c7<>1 was enough for me unless I screwed up.
Arkitech replied:
Marty,
What is your next step? |
After Marty's single 126 XY all fell for me too... |
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Clement
Joined: 24 Apr 2006 Posts: 1111 Location: Dar es Salaam Tanzania
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Posted: Sun Sep 08, 2013 2:30 pm Post subject: Sep 8 VH |
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Marty
Yes, the XY-Wing (26-1) is a one stepper. I couldn't see it |
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