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VH+ 091617

 
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immpy



Joined: 06 May 2017
Posts: 322

PostPosted: Sat Sep 16, 2017 1:12 pm    Post subject: VH+ 091617 Reply with quote

Quite interesting...enjoy the puzzle...

Code:

+-------+-------+-------+
| . . . | 9 . . | . . . |
| . 7 . | . 8 . | . 1 4 |
| . 4 6 | 2 . . | 7 . . |
+-------+-------+-------+
| . 9 2 | . . . | . . 8 |
| . . . | 4 2 3 | . . . |
| 4 . . | . . . | 2 6 . |
+-------+-------+-------+
| . . 5 | . . 4 | 3 2 . |
| 8 3 . | . 7 . | . 4 . |
| . . . | . . 9 | . . . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site
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Aj Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Sat Sep 16, 2017 4:28 pm    Post subject: Reply with quote

Hi everyone


Code:

+--------------+---------------+--------------+
| 135 158  138 | 9    4    7   | 6   35  2    |
| 2   7    39  | 356  8    56  | 59  1   4    |
| 359 4    6   | 2    135  15  | 7   8   359  |
+--------------+---------------+--------------+
| 135 9    2   | 1567 156  156 | 4   357 8    |
| 156 1568 178 | 4    2    3   | 15  9   157  |
| 4   15   137 | 157  9    8   | 2   6   1357 |
+--------------+---------------+--------------+
| 79  16   5   | 8    16   4   | 3   2   79   |
| 8   3    19  | 156  7    2   | 159 4   1569 |
| 167 2    4   | 1356 1356 9   | 8   57  1567 |
+--------------+---------------+--------------+

Play this puzzle online at the Daily Sudoku site

the solution with one step after basics is in cell R9C8 which has two possible candidates. If R9C8 = 7 => after insertion R9C8=7, R8C3=9,R7C1=7, R7C9=9,R4C4=7,R3C1=9,R2C7=9,R4C8=5 and R4C1=3 contradiction R6C2==> - 7R9C8 => stte.

Ciao a Tutti

Paolo
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 527
Location: Rimini, Italy

PostPosted: Sat Sep 16, 2017 4:32 pm    Post subject: Reply with quote

Hi everyone,

Code:

+--------------+---------------+--------------+
| 135 158  138 | 9    4    7   | 6   35  2    |
| 2   7    39  | 356  8    56  | 59  1   4    |
| 359 4    6   | 2    135  15  | 7   8   359  |
+--------------+---------------+--------------+
| 135 9    2   | 1567 156  156 | 4   357 8    |
| 156 1568 178 | 4    2    3   | 15  9   157  |
| 4   15   137 | 157  9    8   | 2   6   1357 |
+--------------+---------------+--------------+
| 79  16   5   | 8    16   4   | 3   2   79   |
| 8   3    19  | 156  7    2   | 159 4   1569 |
| 167 2    4   | 1356 1356 9   | 8   57  1567 |
+--------------+---------------+--------------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 3,5,9 in r1c8, r2c37 and -3 in r1c13

Code:

+-----------+-------------+-----------+
| 15 158 18 | 9    4   7  | 6  3  2   |
| 2  7   3  | 56   8   56 | 9  1  4   |
| 9  4   6  | 2    3   1  | 7  8  5   |
+-----------+-------------+-----------+
| 3  9   2  | 1567 156 56 | 4  57 8   |
| 56 568 78 | 4    2   3  | 15 9  17  |
| 4  15  17 | 57   9   8  | 2  6  3   |
+-----------+-------------+-----------+
| 7  16  5  | 8    16  4  | 3  2  9   |
| 8  3   9  | 156  7   2  | 15 4  16  |
| 16 2   4  | 3    156 9  | 8  57 167 |
+-----------+-------------+-----------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 1,5,6 in r5c1,r67c2 and -6 in r5c2,r9c1

and all OK to the end

Ciao Gianni
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