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VH+ 092417

 
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Sun Sep 24, 2017 1:09 pm    Post subject: VH+ 092417 Reply with quote
Enjoy the puzzle, dig a little deeper.......

Code:

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

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: Sun Sep 24, 2017 7:21 pm    Post subject: Reply with quote
Hi everyone

Code:

+--------------------------+--------------------------+--------------------------+
| 18      17      2        | 4       89      3        | 6       5       79       |
| 9       3       56       | 7       56      1        | 8       2       4        |
| 68      4567    456      | 568     2       59       | 1       3       79       |
+--------------------------+--------------------------+--------------------------+
| 4       2       189      | 3       17      6        | 79      89      5        |
| 3       569     15689    | 58      17      45       | 479     4689    2        |
| 7       56      568      | 9       458     2        | 3       468     1        |
+--------------------------+--------------------------+--------------------------+
| 16      1469    3        | 56      4569    459      | 2       7       8        |
| 5       8       469      | 2       469     7        | 49      1       3        |
| 2       49      7        | 1       3       8        | 5       49      6        |
+--------------------------+--------------------------+--------------------------+




[(6)R3C1-(6=5)R2C3; (6)R3C1-(6)R2C3=(6)R2C5-(6)R8C5=(6)R8C3-(6)R6C3 and (6-8)R3C1=(8)R1C1-(8)R1C5=(8)R6C5-(8=5)R6C3]=>contradiction two singles 5 in column 3=>-6R3C1=>
Code:

+--------------------------+--------------------------+--------------------------+
| 1       7       2        | 4       8       3        | 6       5       9        |
| 9       3       6        | 7       5       1        | 8       2       4        |
| 8       45      45       | 6       2       9        | 1       3       7        |
+--------------------------+--------------------------+--------------------------+
| 4       2       189      | 3       17      6        | 79      89      5        |
| 3       69      19       | 8       17      5        | 479     469     2        |
| 7       56      58       | 9       4       2        | 3       68      1        |
+--------------------------+--------------------------+--------------------------+
| 6       1       3        | 5       9       4        | 2       7       8        |
| 5       8       49       | 2       6       7        | 49      1       3        |
| 2       49      7        | 1       3       8        | 5       49      6        |
+--------------------------+--------------------------+--------------------------+


[(9-8)R4C8=(8)R4C3-(8=5)R6C3-(5)R3C3 and (9)R4C8-(9)R9C8=(9)R9C2-(9=4)R8C3-(4)R3C3]=>contradiction R3C3=Ø=>-9R4C8 =>stte.

Ciao a Tutti
Paolo
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Mon Sep 25, 2017 10:45 am    Post subject: Reply with quote
My path was to begin with the X-Wing (6) in r28c35.
r3c3<>6; r5c3<>6; r6c3<>6; r7c5<>6. Rinse cycle applied.

W-Wing (56) b14, connected by 6.
r3c2<>5; r6c3<>5(=8). Basics follow to the end.

Thank you all....
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