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Vh090517

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Tue Sep 05, 2017 5:28 am    Post subject: Vh090517 Reply with quote
Code:
 *-----------*
 |.25|...|.3.|
 |8..|.5.|...|
 |4..|.67|.2.|
 |---+---+---|
 |..3|29.|7..|
 |.9.|1.5|.8.|
 |..2|.46|3..|
 |---+---+---|
 |.5.|62.|..1|
 |...|.8.|..6|
 |.1.|...|85.|
 *-----------*


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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
PostPosted: Tue Sep 05, 2017 7:42 am    Post subject: Reply with quote
Hi everyone,

Code:

+------------+----------+------------+
| 679 2  5   | 489 1 49 | 69 3   789 |
| 8   67 79  | 3   5 2  | 1  469 479 |
| 4   3  1   | 89  6 7  | 5  2   89  |
+------------+----------+------------+
| 15  46 3   | 2   9 8  | 7  146 45  |
| 67  9  47  | 1   3 5  | 46 8   2   |
| 15  8  2   | 7   4 6  | 3  19  59  |
+------------+----------+------------+
| 79  5  8   | 6   2 3  | 49 479 1   |
| 3   47 479 | 5   8 1  | 2  79  6   |
| 2   1  6   | 49  7 49 | 8  5   3   |
+------------+----------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 7,9 in r2c3,r7c1 connected by number 7 in r5c13 and -9 in r1c1,r8c3
or
W-Wing 7,9 in r2c3,r8c8 connected by number 7 in r28c2 and -9 in r2c8,r8c3
or
XY-Wing 4,6,7 in r24c2,r5c3 and -7 in r2c3
or
XY-Wing 4,6,7 in r5c1, r48c2 and -7 in r7c1


Ciao Gianni
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Tue Sep 05, 2017 12:49 pm    Post subject: Reply with quote
W-Wing (46) r4c2 and r5c7 connected by 6. r4c89<>4 and r5c3<>4.

Nice puzzle!
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Tue Sep 05, 2017 2:35 pm    Post subject: Reply with quote
Hi everyone

[(6)R5C1-(6=4)R5C7-(4=9)R7C7-(9)R7C1 and (6-7)R5C1=(7-4)R5C3=(4)R8C3.(4=7)R8C2-(7)R7C1]=>contradiction R7C1=Ø=>-6R5C1=>stte.

Cia a Tutti

Paolo
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Tue Sep 05, 2017 7:54 pm    Post subject: Reply with quote
Code:

+------------+----------+------------+
| 679 2  5   | 489 1 49 | 69 3   789 |
| 8   67 79  | 3   5 2  | 1  469 479 |
| 4   3  1   | 89  6 7  | 5  2   89  |
+------------+----------+------------+
| 15  46 3   | 2   9 8  | 7  146 45  |
| 67  9  47  | 1   3 5  | 46 8   2   |
| 15  8  2   | 7   4 6  | 3  19  59  |
+------------+----------+------------+
| 79  5  8   | 6   2 3  | 49 479 1   |
| 3   47 479 | 5   8 1  | 2  79  6   |
| 2   1  6   | 49  7 49 | 8  5   3   |
+------------+----------+------------+

Play this puzzle online at the Daily Sudoku site

M-Wing (7=6)r2c2-r4c2=(6-7(r5c1)=r5c3=> -7r2c3
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