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Oct 4 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 870
Location: Rimini, Italy
PostPosted: Wed Oct 04, 2017 8:23 am    Post subject: Oct 4 VH Reply with quote
Hi everyone,

Code:

+--------------+------------+-------------+
| 8    1   9   | 23 23   57 | 57  6   4   |
| 245  7   24  | 6  45   1  | 8   3   9   |
| 456  456 3   | 47 9    8  | 157 125 125 |
+--------------+------------+-------------+
| 1247 9   247 | 5  17   6  | 3   124 8   |
| 127  3   5   | 9  8    4  | 6   12  127 |
| 1467 46  8   | 37 137  2  | 9   145 157 |
+--------------+------------+-------------+
| 457  2   467 | 1  456  9  | 45  8   3   |
| 9    8   46  | 24 2456 3  | 145 7   15  |
| 3    45  1   | 8  457  57 | 2   9   6   |
+--------------+------------+-------------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 4,5 in r2c5,r9c2 connected by number 5 in r19c6 and -4 in r9c5


Ciao Gianni
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George Woods



Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK
PostPosted: Wed Oct 04, 2017 11:20 am    Post subject: Reply with quote
tyhe xyz wing 457 r2c5 andr9c56 takes out the 5s in c5r78 So r9c2 becomes 4 ...ste
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Wed Oct 04, 2017 3:04 pm    Post subject: Reply with quote
Hi everyone

[(5)R1C6-(5=4)R2C5 and (5)R1C6-(5)R2C5=(5)R2C1-(5)R7C1=(5-4)R9C2=(4)R9C5]=>contradiction two singles 4 in column 5=>-5R1C6=>stte.

Ciao a Tutti
Paolo
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Wed Oct 04, 2017 5:35 pm    Post subject: Reply with quote
That's an interesting XYZ-Wing. I don't recall very many that make eliminations in more than one cell.
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