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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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 Posted: Thu Nov 29, 2012 11:12 pm Post subject: Nov 30 VH |
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| Code: |
+-----------+------------+-------+
| 79 *47 469 | 8 467 1 | 2 3 5 |
| 1 3 -45 | 457 *47 2 | 8 9 6 |
| 8 2 56 | 59 3 69 | 7 4 1 |
+-----------+------------+-------+
| 79 8 49 | 47 2 5 | 1 6 3 |
| 3 46 1 | 49 8 69 | 5 2 7 |
| 5 #67 2 | 1 #67 3 | 4 8 9 |
+-----------+------------+-------+
| 4 5 8 | 3 9 7 | 6 1 2 |
| 6 9 7 | 2 1 8 | 3 5 4 |
| 2 1 3 | 6 5 4 | 9 7 8 |
+-----------+------------+-------+
|
W-Wing 47 in BOX 12 with SL 7 in row 6 ; r2c3<>4 solves it. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Nov 30, 2012 1:29 am Post subject: Re: Nov 30 VH |
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| Clement wrote: | | Code: |
+-----------+------------+-------+
| 79 *47 469 | 8 467 1 | 2 3 5 |
| 1 3 -45 | 457 *47 2 | 8 9 6 |
| 8 2 56 | 59 3 69 | 7 4 1 |
+-----------+------------+-------+
| 79 8 49 | 47 2 5 | 1 6 3 |
| 3 46 1 | 49 8 69 | 5 2 7 |
| 5 #67 2 | 1 #67 3 | 4 8 9 |
+-----------+------------+-------+
| 4 5 8 | 3 9 7 | 6 1 2 |
| 6 9 7 | 2 1 8 | 3 5 4 |
| 2 1 3 | 6 5 4 | 9 7 8 |
+-----------+------------+-------+
|
W-Wing 47 in BOX 12 with SL 7 in row 6 ; r2c3<>4 solves it. |
Locked 7s in box 1 set r1c5<>7, exposing a 467 XY-Wing pivoted in that cell.
There's also a rather easy BUG+2 in which both killers are 4 which form pincers. |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Fri Nov 30, 2012 7:32 am Post subject: |
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| Code: | *--------------------------------------------------*
| 79 47 469 | 8 46 1 | 2 3 5 |
| 1 3 45 | 57 47 2 | 8 9 6 |
| 8 2 56 | 59 3 69 | 7 4 1 |
|----------------+----------------+----------------|
| 79 8 49 | 47 2 5 | 1 6 3 |
| 3 46 1 | 49 8 69 | 5 2 7 |
| 5 67 2 | 1 67 3 | 4 8 9 |
|----------------+----------------+----------------|
| 4 5 8 | 3 9 7 | 6 1 2 |
| 6 9 7 | 2 1 8 | 3 5 4 |
| 2 1 3 | 6 5 4 | 9 7 8 |
*--------------------------------------------------*
xy-wing
(4=5)r2c3-(5=7)r2c4-(7=4)r4c4 => -4r4c3; stte |
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kuskey
Joined: 10 Dec 2008
Posts: 141
Location: Pembroke, NH
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| Posted: Fri Nov 30, 2012 2:25 pm Post subject: Nov 30 VH |
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| my after basic code agrees with arietech which reveals a BUG+1 in box 1 |
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