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VH090817

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Fri Sep 08, 2017 5:12 am    Post subject: VH090817 Reply with quote
Code:
 *-----------*
 |685|...|2..|
 |93.|1.6|...|
 |..2|.8.|...|
 |---+---+---|
 |..6|47.|...|
 |42.|6.1|.75|
 |...|.52|6..|
 |---+---+---|
 |...|.6.|1..|
 |...|7.4|.58|
 |..8|...|496|
 *-----------*


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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
PostPosted: Fri Sep 08, 2017 7:09 am    Post subject: Reply with quote
Hi everyone,

Code:

+-------------+--------------+----------+
| 6   8   5   | 39   4  7    | 2 13 139 |
| 9   3   7   | 1    2  6    | 5 8  4   |
| 1   4   2   | 359  8  359  | 7 6  39  |
+-------------+--------------+----------+
| 58  15  6   | 4    7  38   | 9 13 2   |
| 4   2   39  | 6    39 1    | 8 7  5   |
| 78  179 139 | 389  5  2    | 6 4  13  |
+-------------+--------------+----------+
| 35  59  4   | 3589 6  3589 | 1 2  7   |
| 2   6   19  | 7    19 4    | 3 5  8   |
| 357 157 8   | 2    13 35   | 4 9  6   |
+-------------+--------------+----------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing 1,5,9 in r47c2,r8c3 and -1 in r6c3,r9c2


Ciao Gianni
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Fri Sep 08, 2017 7:21 am    Post subject: Reply with quote
Hi everyone
Code:

+-------------+--------------+----------+
| 6   8   5   | 39   4  7    | 2 13 139 |
| 9   3   7   | 1    2  6    | 5 8  4   |
| 1   4   2   | 359  8  359  | 7 6  39  |
+-------------+--------------+----------+
| 58  15  6   | 4    7  38   | 9 13 2   |
| 4   2   39  | 6    39 1    | 8 7  5   |
| 78  179 139 | 389  5  2    | 6 4  13  |
+-------------+--------------+----------+
| 35  59  4   | 3589 6  3589 | 1 2  7   |
| 2   6   19  | 7    19 4    | 3 5  8   |
| 357 157 8   | 2    13 35   | 4 9  6   |
+-------------+--------------+----------+

Play this puzzle online at the Daily Sudoku site

[(1)R1C9-(1)R6C9=(1)R6C23-(1=5)R4C2 and (1)R1C9-(1=3)R6C9-(3)R6C3=(3-9)R5C3=(9)R8C3-(9=5)R7C2]=>contradiction two singles 5 in column 2=>-1R1C9=>stte.

Ciao a Tutti
Paolo
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Fri Sep 08, 2017 8:26 pm    Post subject: Reply with quote
Code:

+-------------+--------------+----------+
| 6   8   5   | 39   4  7    | 2 13 139 |
| 9   3   7   | 1    2  6    | 5 8  4   |
| 1   4   2   | 359  8  359  | 7 6  39  |
+-------------+--------------+----------+
| 58  15  6   | 4    7  38   | 9 13 2   |
| 4   2   39  | 6    39 1    | 8 7  5   |
| 78  179 139 | 389  5  2    | 6 4  13  |
+-------------+--------------+----------+
| 35  59  4   | 3589 6  3589 | 1 2  7   |
| 2   6   19  | 7    19 4    | 3 5  8   |
| 357 157 8   | 2    13 35   | 4 9  6   |
+-------------+--------------+----------+

Play this puzzle online at the Daily Sudoku site

Kite (1) box 4
1r8c3=r4c8-(1=59)r47c2-(9=1)r8c3=> 1r8c3
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