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Dec 25 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 342
Location: Rimini, Italy

PostPosted: Tue Dec 25, 2018 9:16 am    Post subject: Dec 25 VH Reply with quote

Merry Christmas to all,

Code:

+---------------+--------------+------------+
| 2567 579 8    | 27  1    567 | 69  4  3   |
| 1256 159 1256 | 3   2469 456 | 8   7  169 |
| 1367 4   136  | 8   69   67  | 2   19 5   |
+---------------+--------------+------------+
| 145  3   145  | 45  8    9   | 7   6  2   |
| 8    57  56   | 27  256  3   | 19  19 4   |
| 467  2   9    | 1   46   467 | 5   3  8   |
+---------------+--------------+------------+
| 9    15  7    | 456 3    8   | 146 2  16  |
| 135  6   135  | 459 45   2   | 149 8  7   |
| 24   8   24   | 69  7    1   | 3   5  69  |
+---------------+--------------+------------+

Play this puzzle online at the Daily Sudoku site

AIC:
if r3c6=6 -6 in r23c5,r6c6
if r3c6=7 - r6c1=7 - r5c2=5 - r7c4=5 - r4c4=4 - r6c5=6 and -6 in r23c5,r6c6

Ciao Gianni
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Earl



Joined: 30 May 2007
Posts: 605
Location: Victoria, KS

PostPosted: Tue Dec 25, 2018 5:34 pm    Post subject: Dec25 VH Reply with quote

After multiple x-wings,

19Wwing C2.8 by 9's in C5, -1R2C9 & -1R3C1,3

Early Earl
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RobertRattley



Joined: 24 Jun 2007
Posts: 101
Location: Australia

PostPosted: Sat Dec 29, 2018 12:19 am    Post subject: Reply with quote

x-wing on 1
x-wing on 7 (either of 2)
Triple 256 in box 1
Row 3's 6 must be in box 2
5 and 6 sole candidates in box 2
xy wing 279 fulcrum row 1 col 4 pinching row 2 col 2 on 9
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