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Apr 16 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 940
Location: Rimini, Italy
PostPosted: Sun Apr 15, 2018 10:20 pm    Post subject: Apr 16 VH Reply with quote
Hi everyone,

Code:

+----------+---------+------------+
| 1 5  234 | 9  24 7 | 34   6 8   |
| 9 7  34  | 8  14 6 | 1345 2 35  |
| 8 24 6   | 12 5  3 | 14   7 9   |
+----------+---------+------------+
| 5 8  9   | 27 27 4 | 6    3 1   |
| 2 6  7   | 3  9  1 | 8    5 4   |
| 4 3  1   | 6  8  5 | 7    9 2   |
+----------+---------+------------+
| 6 1  5   | 4  3  9 | 2    8 7   |
| 3 24 24  | 57 67 8 | 9    1 56  |
| 7 9  8   | 15 16 2 | 35   4 356 |
+----------+---------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing with 3,4 in r1c7,r2c3 connected by number 4 in r3c27 (or in r12c5) and -3 in r1c3,r2c79
or
XY-Wing with 1,2,4 in r1c5,r3c47 and -4 in r1c7
or
XY-Wing with 1,2,4 in r2c5,r3c24 and -4 in r2c3


Ciao Gianni
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Mon Apr 16, 2018 4:54 am    Post subject: Reply with quote
Code:
┌────────────────────┬────────────────────┬────────────────────┐
│    1      5    234 │    9     24      7 │   34      6      8 │
│                    │                    │                    │
│    9      7     34 │    8     14      6 │ 1345      2     35 │
│                    │                    │                    │
│    8     24      6 │   12      5      3 │   14      7      9 │
├────────────────────┼────────────────────┼────────────────────┤
│    5      8      9 │   27     27      4 │    6      3      1 │
│                    │                    │                    │
│    2      6      7 │    3      9      1 │    8      5      4 │
│                    │                    │                    │
│    4      3      1 │    6      8      5 │    7      9      2 │
├────────────────────┼────────────────────┼────────────────────┤
│    6      1      5 │    4      3      9 │    2      8      7 │
│                    │                    │                    │
│    3     24     24 │   57     67      8 │    9      1     56 │
│                    │                    │                    │
│    7      9      8 │   15     16      2 │   35      4    356 │
└────────────────────┴────────────────────┴────────────────────┘


UR (35)r29c79 mixed internals and externals
3r2c3=6r9c9-(6=15)r9c54-(5=721)r843c4-(1=4)r2c5-(4=3)r2c3=> 3r2c3
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