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Nov 24 VH

 
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Fri Nov 24, 2017 6:03 am    Post subject: Nov 24 VH Reply with quote
Code:

+----------+-----------+--------+
| 1  56  8 | 456 46 3  | 9 7  2 |
| 4  9   2 | 7   1  8  | 6 3  5 |
| 57 567 3 | 2   9  56 | 1 4  8 |
+----------+-----------+--------+
| 2  3   9 | 56  8  1  | 4 56 7 |
| 8  45  1 | 3   46 7  | 2 56 9 |
| 57 457 6 | 9   2  45 | 3 8  1 |
+----------+-----------+--------+
| 6  1   7 | 8   3  2  | 5 9  4 |
| 9  2   5 | 46  7  46 | 8 1  3 |
| 3  8   4 | 1   5  9  | 7 2  6 |
+----------+-----------+--------+

Play this puzzle online at the Daily Sudoku site

Remote pairs (46) (6=4)r8c4-r1c4=(4-6)r5c5=> -6r4c4
-or- BUG+3
5r3c2=5r6c2=6r1c4=> common outcome r1c5=4
-or XY-Wings
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Fri Nov 24, 2017 8:20 am    Post subject: Reply with quote
Hi everyone

[(6-5)R1C2=5R1C4-5R4C4 and 6R1C2-6R1C5=6R5C5-6R4C4]=>contradiction R4C4=Ø=>-6R1C2=>stte.

Ciao a tutti
Paolo
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Fri Nov 24, 2017 8:50 am    Post subject: Reply with quote
Hi everyone,

Code:

+----------+-----------+--------+
| 1  56  8 | 456 46 3  | 9 7  2 |
| 4  9   2 | 7   1  8  | 6 3  5 |
| 57 567 3 | 2   9  56 | 1 4  8 |
+----------+-----------+--------+
| 2  3   9 | 56  8  1  | 4 56 7 |
| 8  45  1 | 3   46 7  | 2 56 9 |
| 57 457 6 | 9   2  45 | 3 8  1 |
+----------+-----------+--------+
| 6  1   7 | 8   3  2  | 5 9  4 |
| 9  2   5 | 46  7  46 | 8 1  3 |
| 3  8   4 | 1   5  9  | 7 2  6 |
+----------+-----------+--------+

Play this puzzle online at the Daily Sudoku site

there are so many alternatives:

W-Wing 5,6 in r3c6,r4c4 connected by number 6 in r8c46 and -5 in r1c4,r6c6
W-Wing 4,6 in r1c5,r8c4 connected by number 6 in r38c6 and -4 in r1c4
W-Wing 5,6 in r1c2,r4c4 connected by number 6 in r15c5 and -5 in r1c4
W-Wing 4,6 in r1c5,r8c6 connected by number 4 in r18c4 and -6 in r3c6
W-Wing 4,6 in r5c5,r8c4 connected by number 4 in r1c45 and -6 in r4c4
W-Wing 5,6 in r1c2,r5c8 connected by number 6 in r15c5 and -5 in r5c2
XY-Wing 4,5,6 in r36c6,r5c5 and -6 in r1c5
XY-Wing 4,5,6 in r1c5,r36c6 and -4 in r5c5
XY-Wing 4,5,6 in r48c4,r6c6 and -4 in r8c6
XY-Wing 4,5,6 in r4c4,r68c6 and -6 in r8c4

Ciao Gianni
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