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Aug 4 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Thu Aug 03, 2017 10:11 pm    Post subject: Aug 4 VH Reply with quote
Code:

+------------+--------+-------------+
| 39 2  139  | 5  4 6 | 8   13  7   |
| 6  14 8    | 7  3 9 | 14  5   2   |
| 45 7  5-3   |2  8 1 | 346 9   46  |
+------------+--------+-------------+
| 8  5  7    | 4  1 2 | 9   6   3   |
| 2  9  6    | 8  7 3 | 5   14  14  |
| 1  3  4    | 9  6 5 | 7   2   8   |
+------------+--------+-------------+
| 45 6  1359 | 13 2 7 | 134 8   149 |
| 7  14 13   | 6  9 8 | 2   134 5   |
| 39 8  2    | 13 5 4 | 136 7   169 |
+------------+--------+-------------+

XYZ-Wing 139-3 with Apex in r1c3; r3c3<>3; stte
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Thu Aug 03, 2017 10:20 pm    Post subject: Reply with quote
Hi everyone,

other possible solutions

Quote:
W-Wing 1,3 in r1c8, r8c3 connected by number 3 in r3c37 and -1 in r1c3, r8c8
or
Skyscraper with number 3 in r3c7, r3c3, r8c3, r8c8 and -3 in r1c8, r7c7, r9c7


Ciao Gianni
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Fri Aug 04, 2017 12:37 pm    Post subject: Reply with quote
Hi everyone

Code:

+------------+--------+-------------+
| 39 2  139  | 5  4 6 | 8   13  7   |
| 6  14 8    | 7  3 9 | 14  5   2   |
| 45 7  35   | 2  8 1 | 346 9   46  |
+------------+--------+-------------+
| 8  5  7    | 4  1 2 | 9   6   3   |
| 2  9  6    | 8  7 3 | 5   14  14  |
| 1  3  4    | 9  6 5 | 7   2   8   |
+------------+--------+-------------+
| 45 6  1359 | 13 2 7 | 134 8   149 |
| 7  14 13   | 6  9 8 | 2   134 5   |
| 39 8  2    | 13 5 4 | 136 7   169 |
+------------+--------+-------------+

Play this puzzle online at the Daily Sudoku site

Another solution

[(4)R7C1-(4=5)R3C1-(5=3)R3C3-(3)R1C1 and (4)R7C1-(4=1)R8C2-(1=3)R8C3-(3=9)R9C1-(9)R1C1]=>contradiction R1C1=Ø=>-4R7C1=>solution stte.

Ciao a Tutti
Paolo
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