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VH082117

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Mon Aug 21, 2017 6:25 am    Post subject: VH082117 Reply with quote

Code:
 *-----------*
 |6.5|.2.|..9|
 |4..|...|1..|
 |...|543|...|
 |---+---+---|
 |3.4|...|7..|
 |.7.|8.4|.5.|
 |..8|...|2.4|
 |---+---+---|
 |...|152|...|
 |..6|...|..1|
 |5..|.9.|4.8|
 *-----------*


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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 524
Location: Rimini, Italy

PostPosted: Mon Aug 21, 2017 7:15 am    Post subject: Reply with quote

Hi everyone,

after basic

Code:

+---------+-------+----------+
| 6 38 5  | 7 2 1 | 38 4   9 |
| 4 23 27 | 9 8 6 | 1  37  5 |
| 1 89 79 | 5 4 3 | 68 67  2 |
+---------+-------+----------+
| 3 5  4  | 2 1 9 | 7  8   6 |
| 2 7  1  | 8 6 4 | 9  5   3 |
| 9 6  8  | 3 7 5 | 2  1   4 |
+---------+-------+----------+
| 8 4  39 | 1 5 2 | 36 369 7 |
| 7 29 6  | 4 3 8 | 5  29  1 |
| 5 1  23 | 6 9 7 | 4  23  8 |
+---------+-------+----------+

Play this puzzle online at the Daily Sudoku site


some possible solutions

W-Wing 2,3 in r2c2, r9c8 connected by number 2 in r8c28 and -3 in r2c8
or
XY-Wing 2,3,7 in r2c38, r9c8 and -2 in r9c3
or
XY-Wing 2,3,7 in r9c3, r2c38 and -3 in r9c8
or if you like
BUG+1 r7c8=3

ciao Gianni
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AjÚ Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Mon Aug 21, 2017 1:58 pm    Post subject: Reply with quote

Hi everyone
Other solutions


AIC (2)R2C3=(2)R9C3-(2=3)R9C8-(3)R2C8=(3-2)R2C2=>-2R2C2=>stte
or
AIC (7=3)R2C8-(3)R9C8=(3-2)R9C3=(2-7)R2C3=>-7R2C3=>stte
or
AIC (3)R7C7=(3-8)R1C7=(8)R1C2-(8=9)R3C2-(9)R8C2=(9-3)R7C3=>-3R7C3=>stte
or
AIC (6)R7C7=(6-8)R3C7=(8-9)=(9)R8C2-(9)R8C8=(9-6)R7C8=>-6R7C8=>stte
or
AIC (9)R7C3=(9-7)R3C3=(7-6))R3C8=(6-9)R7C8 =>-9R7C8=>stte.

Ciao a Tutti
Paolo
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Mon Aug 21, 2017 7:20 pm    Post subject: Reply with quote

Thanks Dan, puzzles are always welcome

Code:

+---------+-------+----------+
| 6 38 5  | 7 2 1 | 38 4   9 |
| 4 23 27 | 9 8 6 | 1  37  5 |
| 1 89 79 | 5 4 3 | 68 67  2 |
+---------+-------+----------+
| 3 5  4  | 2 1 9 | 7  8   6 |
| 2 7  1  | 8 6 4 | 9  5   3 |
| 9 6  8  | 3 7 5 | 2  1   4 |
+---------+-------+----------+
| 8 4  39 | 1 5 2 | 36 369 7 |
| 7 29 6  | 4 3 8 | 5  29  1 |
| 5 1  23 | 6 9 7 | 4  23  8 |
+---------+-------+----------+

Play this puzzle online at the Daily Sudoku site

I played the 23 W-Wing, then noticed the BUG+1.
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