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Jun 20 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania
PostPosted: Sun Jun 19, 2016 10:51 pm    Post subject: Jun 20 VH Reply with quote
Code:

+-----------+---------+-----------+
| 7  58  3  | 1 56  2 | 4  568 9  |
| 1  4   2  | 9 56  8 | 67 3   57 |
| 59 6   89 | 7 4   3 | 2  58  1  |
+-----------+---------+-----------+
| 6  78  78 | 5 2   9 | 1  4   3  |
| 3  2   1  | 6 7   4 | 5  9   8  |
| 4  9   5  | 3 8   1 | 67 67  2  |
+-----------+---------+-----------+
| 8  157 79 | 4 139 6 | 39 2   57 |
| 59 3   6  | 2 19  7 | 8  15  4  |
| 2  17  4  | 8 39  5 | 39 17  6  |
+-----------+---------+-----------+

XYZ-Wing 157-7 apex in r7c2; r7c3 <> 7; stte
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Mon Jun 20, 2016 8:43 am    Post subject: Reply with quote
Code:
 *--------------------------------------------------*
 | 7    58   3    | 1    56   2    | 4    568  9    |
 | 1    4    2    | 9    56   8    | 67   3    57   |
 | 59   6    89   | 7    4    3    | 2    58   1    |
 |----------------+----------------+----------------|
 | 6    78   78   | 5    2    9    | 1    4    3    |
 | 3    2    1    | 6    7    4    | 5    9    8    |
 | 4    9    5    | 3    8    1    | 67   67   2    |
 |----------------+----------------+----------------|
 | 8    157  79   | 4    139  6    | 39   2    57   |
 | 59   3    6    | 2    19   7    | 8    15   4    |
 | 2    17   4    | 8    39   5    | 39   17   6    |
 *--------------------------------------------------*
xyw r7c3 -5r8c8 ste
xyzw r7c2 -7r7c3 ste

ur 39r79c58 -39r7c5 ste
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RobertRattley



Joined: 24 Jun 2007
Posts: 118
Location: Australia
PostPosted: Mon Jun 20, 2016 2:01 pm    Post subject: Reply with quote
There's also an xy wing 579 in rows 8 and 9.
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania
PostPosted: Mon Jun 20, 2016 5:22 pm    Post subject: Jun 20 VH Reply with quote
BUG+3: [5]r1c8, [7]r7c2, [9]r7c5

(5)r1c8 - r8c8 = (5)r7c9
(7r7c2 - (7=5)r7c9
(9)r7c5 - (9=7)r7c3 - (7=5)r7c9; r7c9 <>7; stte
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania
PostPosted: Mon Jun 20, 2016 5:40 pm    Post subject: Reply with quote
arkietech wrote:
Code:
 *--------------------------------------------------*
 | 7    58   3    | 1    56   2    | 4    568  9    |
 | 1    4    2    | 9    56   8    | 67   3    57   |
 | 59   6    89   | 7    4    3    | 2    58   1    |
 |----------------+----------------+----------------|
 | 6    78   78   | 5    2    9    | 1    4    3    |
 | 3    2    1    | 6    7    4    | 5    9    8    |
 | 4    9    5    | 3    8    1    | 67   67   2    |
 |----------------+----------------+----------------|
 | 8    157  79   | 4    139  6    | 39   2    57   |
 | 59   3    6    | 2    19   7    | 8    15   4    |
 | 2    17   4    | 8    39   5    | 39   17   6    |
 *--------------------------------------------------*
xyw r7c3 -5r8c8 ste
xyzw r7c2 -7r7c3 ste

ur 39r79c58 -39r7c5 ste
According to the grid above I can't see xyzw-wing actually referred as wxyz. The hinge cell r7c2 must contain four candidates wxyz.
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Mon Jun 20, 2016 7:21 pm    Post subject: Reply with quote
Clement wrote:
arkietech wrote:
Code:
 *--------------------------------------------------*
 | 7    58   3    | 1    56   2    | 4    568  9    |
 | 1    4    2    | 9    56   8    | 67   3    57   |
 | 59   6    89   | 7    4    3    | 2    58   1    |
 |----------------+----------------+----------------|
 | 6    78   78   | 5    2    9    | 1    4    3    |
 | 3    2    1    | 6    7    4    | 5    9    8    |
 | 4    9    5    | 3    8    1    | 67   67   2    |
 |----------------+----------------+----------------|
 | 8    157  79   | 4    139  6    | 39   2    57   |
 | 59   3    6    | 2    19   7    | 8    15   4    |
 | 2    17   4    | 8    39   5    | 39   17   6    |
 *--------------------------------------------------*
xyw r7c3 -5r8c8 ste
xyzw r7c2 -7r7c3 ste

ur 39r79c58 -39r7c5 ste
According to the grid above I can't see xyzw-wing actually referred as wxyz. The hinge cell r7c2 must contain four candidates wxyz.


xyzw stands for xyz wing

wxyzw could be used for the wxyz wing
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