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VH+ 070517

 
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immpy



Joined: 06 May 2017
Posts: 571

PostPosted: Wed Jul 05, 2017 2:20 pm    Post subject: VH+ 070517 Reply with quote

Enjoy the puzzle.....

Code:

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

Play this puzzle online at the Daily Sudoku site
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Ajò Dimonios



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

PostPosted: Wed Jul 05, 2017 6:40 pm    Post subject: Reply with quote

Hi everyone

Code:

+----------+-----------------+--------+
| 8  1 29  | 29    5    3    | 4 7  6 |
| 24 7 269 | 12489 2689 1469 | 3 18 5 |
| 34 5 36  | 7     68   146  | 2 18 9 |
+----------+-----------------+--------+
| 5  8 12  | 124   7    14   | 9 6  3 |
| 6  9 4   | 5     3    8    | 1 2  7 |
| 27 3 127 | 129   269  169  | 5 4  8 |
+----------+-----------------+--------+
| 9  2 8   | 3     4    7    | 6 5  1 |
| 1  6 5   | 89    89   2    | 7 3  4 |
| 37 4 37  | 6     1    5    | 8 9  2 |
+----------+-----------------+--------+

Play this puzzle online at the Daily Sudoku site

Solution with one step.
Forcing chain [(4-2)R2C1=(2)R12C3-(2)R4C3 and (4)R2C1-(4)R2C46=(4)R3C6-(4)R4C6]=>contradiction two singles 1 in line 4 (R4C3,R4C6)=>-4R2C1

Ciao a tutti
Paolo
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JC Van Hay



Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium

PostPosted: Wed Jul 05, 2017 7:09 pm    Post subject: Reply with quote

Code:
+---------------+---------------------+----------+
| 8     1  9(2) | 9(2)     5     3    | 4  7   6 |
| (24)  7  269  | 1289(4)  2689  1469 | 3  18  5 |
| 34    5  36   | 7        68    146  | 2  18  9 |
+---------------+---------------------+----------+
| 5     8  12   | 1-2(4)   7     14   | 9  6   3 |
| 6     9  4    | 5        3     8    | 1  2   7 |
| 27    3  127  | 129      269   169  | 5  4   8 |
+---------------+---------------------+----------+
| 9     2  8    | 3        4     7    | 6  5   1 |
| 1     6  5    | 89       89    2    | 7  3   4 |
| 37    4  37   | 6        1     5    | 8  9   2 |
+---------------+---------------------+----------+
S-Wing[4r4c4=4r2c4-(4=2)r2c1-2r1c3=2r1c4]-2r4c4; stte
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Thu Jul 06, 2017 5:23 am    Post subject: Reply with quote

Code:

+----------+-----------------+--------+
| 8  1 29  | 29    5    3    | 4 7  6 |
| 24 7 269 | 12489 2689 1469 | 3 18 5 |
| 34 5 36  | 7     68   146  | 2 18 9 |
+----------+-----------------+--------+
| 5  8 12  | 124   7    14   | 9 6  3 |
| 6  9 4   | 5     3    8    | 1 2  7 |
| 27 3 127 | 129   269  169  | 5 4  8 |
+----------+-----------------+--------+
| 9  2 8   | 3     4    7    | 6 5  1 |
| 1  6 5   | 89    89   2    | 7 3  4 |
| 37 4 37  | 6     1    5    | 8 9  2 |
+----------+-----------------+--------+

Play this puzzle online at the Daily Sudoku site

DP (14) r24c46 externals

4r2c1=1r2c8=1r4c3
4r2c1-(4=372)r396c1-(2=1)r4c3-(1=4)r4c6
1r2c8-r2c4=1r46c4-(1=4)r4c6
1r4c3-(1=4)r4c6=> 4r4c6
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immpy



Joined: 06 May 2017
Posts: 571

PostPosted: Fri Jul 07, 2017 9:40 pm    Post subject: Reply with quote

There is an early X-Wing on (2) in rows 1 and 4. This removes the 2 from r2c34 and 6c34. While I usually don't go searching for fish, there was a sashimi swordfish on (9) in the middle columns that caught my eye. Of course it can be bypassed as others have done.
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