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Feb 02 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Thu Feb 01, 2018 11:22 pm    Post subject: Feb 02 VH Reply with quote
Hi everyone,

Code:

+----------+------------+---------+
| 3   67 4 | 5   2  67  | 1 8 9   |
| 58  56 9 | 1   38 36  | 4 7 2   |
| 78  1  2 | 48  9  47  | 5 3 6   |
+----------+------------+---------+
| 2   9  1 | 7   48 45  | 3 6 458 |
| 457 57 6 | 348 1  345 | 2 9 458 |
| 45  8  3 | 2   6  9   | 7 1 45  |
+----------+------------+---------+
| 1   2  7 | 6   5  8   | 9 4 3   |
| 6   34 5 | 9   34 1   | 8 2 7   |
| 9   34 8 | 34  7  2   | 6 5 1   |
+----------+------------+---------+

Play this puzzle online at the Daily Sudoku site

Quote:
W-Wing 4,8 in r3c4,r4c5 connected by number 4 in r8c5,r9c4 and -8 in r2c5,r5c4
or
XY-Wing 3,4,8 in r2c5,r39c4 and -3 in r8c5
or
XY-Wing 3,4,8 in r28c5,r3c4 and -4 in r9c4


Ciao Gianni
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Fri Feb 02, 2018 6:03 am    Post subject: Reply with quote
Code:
┌─────────────────┬─────────────────┬─────────────────┐
│   3    67     4 │   5     2    67 │   1     8     9 │
│                 │                 │                 │
│  58    56     9 │   1    38    36 │   4     7     2 │
│                 │                 │                 │
│  78     1     2 │  48     9    47 │   5     3     6 │
├─────────────────┼─────────────────┼─────────────────┤
│   2     9     1 │   7    48    45 │   3     6   458 │
│                 │                 │                 │
│ 457    57     6 │ 348     1   345 │   2     9   458 │
│                 │                 │                 │
│  45     8     3 │   2     6     9 │   7     1    45 │
├─────────────────┼─────────────────┼─────────────────┤
│   1     2     7 │   6     5     8 │   9     4     3 │
│                 │                 │                 │
│   6    34     5 │   9    34     1 │   8     2     7 │
│                 │                 │                 │
│   9    34     8 │  34     7     2 │   6     5     1 │
└─────────────────┴─────────────────┴─────────────────┘


UR (45) r45c69 internals
3r5c6=8r5c9=8r4c9
3r5c6-(3=6748)b2p6397
8r5c9-r5c4=r3c4
8r4c9-(8=4)r4c5-r8c5=r9c4-(4=8)r3c4=> 8r3c4
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