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Advanced 041019

 
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Thu Apr 11, 2019 12:02 am    Post subject: Advanced 041019 Reply with quote
Hello all,
Enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Thu Apr 11, 2019 12:22 pm    Post subject: Reply with quote
Hi everyone,

Code:

+---------------+---------------+-------------+
| 4   6    1    | 5    2    7   | 89  39  38  |
| 5   378  37   | 348  1    9   | 2   46  67  |
| 9   2378 237  | 6    38   348 | 457 1   57  |
+---------------+---------------+-------------+
| 237 2347 2347 | 1478 5678 468 | 158 235 9   |
| 8   1    5    | 23   9    23  | 6   7   4   |
| 6   2347 9    | 1478 578  48  | 158 235 38  |
+---------------+---------------+-------------+
| 237 9    2367 | 2378 3678 1   | 457 456 567 |
| 237 5    8    | 237  4    236 | 79  69  1   |
| 1   47   467  | 9    67   5   | 3   8   2   |
+---------------+---------------+-------------+

Play this puzzle online at the Daily Sudoku site

AIC with number 3 in r1c8:
if r1c8=3 -3 in r1c9,r46c8
if r1c8=9 r8c8=6 r2c8=4 r3c6=4 r6c6=8 r6c9=3 and -3 in r1c9,r46c8

Ciao Gianni
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Thu Apr 11, 2019 2:28 pm    Post subject: Advanced 041019 Reply with quote
Code:

+-------------------------+-------------------------+-------------------------+
| 4        6         1    | 5         2         7   |g89        39       f38  |
| 5        378       37   |b348       1         9   | 2        a46        67  |
| 9        2378      237  | 6         38       c348 | 457       1         57  |
+-------------------------+-------------------------+-------------------------+
| 237      2347      2347 | 1478      5678      468 | 158       235       9   |
| 8        1         5    | 23        9         23  | 6         7         4   |
| 6        2347      9    | 1478      578      d48  | 158       235      e38  |
+-------------------------+-------------------------+-------------------------+
| 237      9         2367 | 2378      3678      1   | 457       456       567 |
| 23       5         8    | 237       4         236 |h79       i9-6       1   |
| 1        47        467  | 9         67        5   | 3         8         2   |
+-------------------------+-------------------------+-------------------------+

(6=4)r2c8 - r2c4 = r3c6 - (4=8)r6c6 - r6c8 = r1c9 - (8=9)r1c7 - r8c7 = (9)r8c8 => - 6r8c8; stte
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