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Oct 17 VH

 
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kent7618



Joined: 15 Jun 2012
Posts: 8
PostPosted: Tue Oct 16, 2012 4:52 pm    Post subject: Oct 17 VH Reply with quote
Code:

+--------------+-------------+---------------+
| 4   8   37   | 9   36  2   | 3567  57  1   |
| 9   167 1237 | 46  136 5   | 3467  8   236 |
| 135 156 123  | 468 7   168 | 34569 259 236 |
+--------------+-------------+---------------+
| 8   9   5    | 2   4   3   | 1     6   7   |
| 2   3   6    | 1   9   7   | 8     4   5   |
| 7   14  14   | 68  5   68  | 2     3   9   |
+--------------+-------------+---------------+
| 13  17  9    | 5   8   4   | 367   27  236 |
| 35  2   8    | 7   16  16  | 359   59  4   |
| 6   457 47   | 3   2   9   | 57    1   8   |
+--------------+-------------+---------------+


XY-Wing 47 17 14 pivoted in r9c3, r6c2<>1, r6c2=4, r6c3=1, r9c3=4, r2c2<>7
xyz-Wing pivoted in r2c5, r2c4<>6, solves it.
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Tue Oct 16, 2012 5:32 pm    Post subject: Reply with quote
Code:
 *-----------------------------------------------------------*
 | 4     8    c37    | 9    a36    2     | 3567  57    1     |
 | 9    b167  b1237  | 4-6  b136   5     | 3467  8    b236   |
 | 15    156   123   | 468   7     168   | 3469  29    236   |
 |-------------------+-------------------+-------------------|
 | 8     9     5     | 2     4     3     | 1     6     7     |
 | 2     3     6     | 1     9     7     | 8     4     5     |
 | 7     14    14    | 68    5     68    | 2     3     9     |
 |-------------------+-------------------+-------------------|
 | 13    17    9     | 5     8     4     | 367   27    236   |
 | 35    2     8     | 7     16    16    | 359   59    4     |
 | 6     457   47    | 3     2     9     | 57    1     8     |
 *-----------------------------------------------------------*
als xy wing
(6=3)r1c5-(3=7)r1c3-(7=16)anp:r2c2359 => -6r2c4; stte

6r1c5=16r2c25
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Clement



Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
PostPosted: Tue Oct 16, 2012 11:48 pm    Post subject: Oct 17 VH Reply with quote
Code:

+-------------+-------------+-------------+
| 4  8   37   | 9   36  2   | 3567 57 1   |
| 9  167 1237 | D46  136 5   | 3467 8  236 |
| 15 156 123  | 4-68 7   1-68 | 3469 29 236 |
+-------------+-------------+-------------+
| 8  9   5    | 2   4   3   | 1    6  7   |
| 2  3   6    | 1   9   7   | 8    4  5   |
| 7  14  1-4   | C68  5   B68  | 2    3  9   |
+-------------+-------------+-------------+
| 13 17  9    | 5   8   4   | 367  27 236 |
| 35 2   8    | 7   16  A16  | 359  59 4   |
| 6  457 47   | 3   2   9   | 57   1  8   |
+-------------+-------------+-------------+
Also Type 4 UR 68 in Grid r36c46; r3c46<>6
XY-Wing 14-17-47 pivoted in r7c2; r6c3<>4 opens
W-Wing 16 with SL 6 via ABCD; r2c5<>1 which solves it.
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