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Bonus VH for 101017

 
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immpy



Joined: 06 May 2017
Posts: 570

PostPosted: Tue Oct 10, 2017 12:03 pm    Post subject: Bonus VH for 101017 Reply with quote

This is to compliment arkietech's fine daily puzzle. Enjoy...

Code:

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

Play this puzzle online at the Daily Sudoku site
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Tue Oct 10, 2017 12:33 pm    Post subject: Reply with quote

Hi everyone,

Code:

+----------------+-------------+------------+
| 19  12    7    | 8   4   5   | 239 6  23  |
| 589 2568  268  | 26  7   3   | 29  1  4   |
| 3   26    4    | 269 16  129 | 5   8  7   |
+----------------+-------------+------------+
| 2   7     18   | 3   589 89  | 14  45 6   |
| 4   35    9    | 1   2   6   | 8   7  35  |
| 158 13568 1368 | 7   58  4   | 13  2  9   |
+----------------+-------------+------------+
| 7   9     5    | 246 16  12  | 24  3  8   |
| 6   1238  1238 | 249 389 289 | 7   45 125 |
| 18  4     1238 | 5   38  7   | 6   9  12  |
+----------------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

first step
Quote:
XYZ-Wing 1,5,8 in r4c3,r6c15 and -8 in r6c23


Code:

+---------------+-------------+------------+
| 19  12   7    | 8   4   5   | 239 6  23  |
| 589 2568 268  | 26  7   3   | 29  1  4   |
| 3   26   4    | 269 16  129 | 5   8  7   |
+---------------+-------------+------------+
| 2   7    18   | 3   589 89  | 14  45 6   |
| 4   35   9    | 1   2   6   | 8   7  35  |
| 158 1356 136  | 7   58  4   | 13  2  9   |
+---------------+-------------+------------+
| 7   9    5    | 246 16  12  | 24  3  8   |
| 6   1238 1238 | 249 389 289 | 7   45 125 |
| 18  4    1238 | 5   38  7   | 6   9  12  |
+---------------+-------------+------------+

Play this puzzle online at the Daily Sudoku site

and
Quote:
XY-Chain r9c1 -1- r9c9 -2- r7c7 -4- r4c7 -1- r4c3 and -8 in r6c1,r89c3


Ciao Gianni
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JC Van Hay



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

PostPosted: Tue Oct 10, 2017 12:48 pm    Post subject: Reply with quote

B6 -> 1 unique solution :
Code:
+--------------------+---------------+------------------+
| 19     12     7    | 8    4    5   | 239   6   23     |
| 589    2568   268  | 26   7    3   | 29    1   4      |
| 3      26     4    | 269  16   129 | 5     8   7      |
+--------------------+---------------+------------------+
| 2      7      18   | 3    589  89  | 14    45  6      |
| 4      3(5)   9    | 1    2    6   | 8     7   (35)   |
| (158)  13568  1368 | 7    58   4   | (13)  2   9      |
+--------------------+---------------+------------------+
| 7      9      5    | 246  16   12  | 24    3   8      |
| 6      1238   1238 | 249  389  289 | 7     45  2-5(1) |
| (18)   4      1238 | 5    38   7   | 6     9   2(1)   |
+--------------------+---------------+------------------+
[1r8c9=1r9c9-(1=8)r9c1-8r6c1=XYWing(135)r6c17.r5c9-5r5c2=5r5c9]-5r8c9; stte
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Ajò Dimonios



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

PostPosted: Tue Oct 10, 2017 2:24 pm    Post subject: Reply with quote

Hi everyone



[(3)R1C7-(3=2)R1C9-(2)R9C9; (3-9)R1C7=(9-1)R1C1 and (3)R1C7-(3)R1C9=(3-5)R5C9=(5-4)R4C8=(4-1)R4C7=(1)R6C7-(1)R6C1=(1)R9C1-(1)R9C9]=>contradiction R9C9=Ø=>-3R1C7=>stte.


Ciao a Tutti
Paolo
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