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VH083017

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Wed Aug 30, 2017 6:12 am    Post subject: VH083017 Reply with quote
Code:
 *-----------*
 |..9|..6|..5|
 |.7.|...|2.6|
 |...|297|3..|
 |---+---+---|
 |.3.|.5.|...|
 |4..|...|..3|
 |...|.1.|.4.|
 |---+---+---|
 |..6|975|...|
 |7.3|...|.1.|
 |5..|4..|7..|
 *-----------*


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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
PostPosted: Wed Aug 30, 2017 8:48 am    Post subject: Reply with quote
Hi everyone,

Code:

+--------------+------------+----------+
| 3   2   9    | 1   8  6   | 4   7 5  |
| 18  7   18   | 5   4  3   | 2   9 6  |
| 6   5   4    | 2   9  7   | 3   8 1  |
+--------------+------------+----------+
| 19  3   17   | 67  5  4   | 169 2 8  |
| 4   168 1278 | 678 26 289 | 169 5 3  |
| 289 68  5    | 3   1  289 | 69  4 7  |
+--------------+------------+----------+
| 12  14  6    | 9   7  5   | 8   3 24 |
| 7   49  3    | 68  26 28  | 5   1 49 |
| 5   89  28   | 4   3  1   | 7   6 29 |
+--------------+------------+----------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 1,2,8 in r2c3, r9c3, r7c1 and -1 in r2c1
or
XY-Wing 1,2,8 in r2c1, r7c1, r9c3 and -8 in r2c3

Ciao Gianni
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Wed Aug 30, 2017 11:10 am    Post subject: Reply with quote
Hi everyone

[(2)R5C3-(2=6)R5C5 and (2-7)R5C3=(7)R4C3-(7=6)R4C4]=>contradiction two singles 6 in box 5=>-2R5C3=>solution stte.

Ciao a Tutti

Paolo
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Aug 31, 2017 7:09 am    Post subject: Reply with quote
Same overlapping XY-Wings as Gianni.
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