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VH093017

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Fri Sep 29, 2017 11:08 pm    Post subject: VH093017 Reply with quote
Code:
 *-----------*
 |.5.|...|436|
 |...|.75|...|
 |2..|6.3|5..|
 |---+---+---|
 |.7.|...|9.8|
 |1.8|...|2.4|
 |4.2|...|.6.|
 |---+---+---|
 |..4|2.1|..9|
 |...|89.|...|
 |519|...|.8.|
 *-----------*


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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Sat Sep 30, 2017 7:10 am    Post subject: Reply with quote
Hi everyone,

Code:

+---------+-------------+-------+
| 89 5  7 | 1   28   29 | 4 3 6 |
| 39 34 6 | 49  7    5  | 8 2 1 |
| 2  48 1 | 6   48   3  | 5 9 7 |
+---------+-------------+-------+
| 36 7  5 | 34  2346 24 | 9 1 8 |
| 1  36 8 | 79  36   79 | 2 5 4 |
| 4  9  2 | 5   1    8  | 7 6 3 |
+---------+-------------+-------+
| 68 68 4 | 2   5    1  | 3 7 9 |
| 7  2  3 | 8   9    6  | 1 4 5 |
| 5  1  9 | 347 34   47 | 6 8 2 |
+---------+-------------+-------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 3,4 in r4c4,r9c5 connected by number 4 in r49c6 and -3 in r45c5,r9c4
or
W-Wing 3,4 in r2c2,r4c4 connected by number 3 in r5c25 and -4 in r2c4
or
XY-Wing 3,4,9 in r2c14,r4c4 and -3 in r4c1
or
XY-Wing 2,4,9 in r14c6,r2c4 and -4 in r4c4


Ciao Gianni
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Sat Sep 30, 2017 8:39 am    Post subject: Reply with quote
Hi everyone

[(3-4)R2C2=(4)R2C4-(4)R4C4 and (3)R2C2-(3)R2C1=(3)R4C1-(3)R4C4]=>contradiction R4C4=Ø=>-3R2C2=>stte.

Ciao a Tutti

Paolo
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Sep 30, 2017 8:38 pm    Post subject: Reply with quote
Code:

+---------+-------------+-------+
| 89 5  7 | 1   28   29 | 4 3 6 |
| 39 34 6 | 49  7    5  | 8 2 1 |
| 2  48 1 | 6   48   3  | 5 9 7 |
+---------+-------------+-------+
| 36 7  5 | 34  2346 24 | 9 1 8 |
| 1  36 8 | 79  36   79 | 2 5 4 |
| 4  9  2 | 5   1    8  | 7 6 3 |
+---------+-------------+-------+
| 68 68 4 | 2   5    1  | 3 7 9 |
| 7  2  3 | 8   9    6  | 1 4 5 |
| 5  1  9 | 347 34   47 | 6 8 2 |
+---------+-------------+-------+

Play this puzzle online at the Daily Sudoku site

BUG+2
4r4c5=3r4c5=4r9c4=> -4r9c5
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