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VH+ 071417

 
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immpy



Joined: 06 May 2017
Posts: 570

PostPosted: Fri Jul 14, 2017 2:46 pm    Post subject: VH+ 071417 Reply with quote

....enjoy the journey.......

Code:

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

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JC Van Hay



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

PostPosted: Fri Jul 14, 2017 5:19 pm    Post subject: Reply with quote

1r2c2 -> 0 solution; r2c2=9 and stte
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dongrave



Joined: 06 Mar 2014
Posts: 563

PostPosted: Fri Jul 14, 2017 9:04 pm    Post subject: Reply with quote

Journey? That wasn't even a short story for JC! Holy crow! Smile
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Ajò Dimonios



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

PostPosted: Fri Jul 14, 2017 10:26 pm    Post subject: Reply with quote

Hi everyone

[(7)R1C1-(7=2)R8C1 and (7-1)R1C1=(1)R12C2-(1=2)R7C2]=>contradiction two singles 2 in box 7=>-7R1C1=>solution stte

Ciao a tutti
Paolo.
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Marty R.



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

PostPosted: Sat Jul 15, 2017 12:20 am    Post subject: Reply with quote

Code:

+------------+-------------+--------------+
| 17 179  5  | 189 168 68  | 24  24  3    |
| 6  19   4  | 2   3   5   | 7   8   19   |
| 3  8    2  | 19  7   4   | 6   19  5    |
+------------+-------------+--------------+
| 5  4    8  | 6   12  7   | 3   129 129  |
| 9  6    7  | 18  128 3   | 12  5   4    |
| 12 123  13 | 4   5   9   | 8   6   7    |
+------------+-------------+--------------+
| 8  12   9  | 7   4   26  | 5   3   126  |
| 27 5    6  | 3   89  1   | 249 247 28   |
| 4  1237 13 | 5   689 268 | 129 127 1268 |
+------------+-------------+--------------+

Play this puzzle online at the Daily Sudoku site

W-Wing (12) b47, SL1 in b1=> -2r6c2,r8c1
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immpy



Joined: 06 May 2017
Posts: 570

PostPosted: Sat Jul 15, 2017 7:25 pm    Post subject: Reply with quote

My path was the early X-Wing (1) in rows 2 & 7, columns 2 & 9.
r1c2<>1, r6c2<>1, r9c2<>1, r4c9<>1, and r9c9<>1.
This revealed the XYZ-Wing of (237) with pivot at r9c2; pincers at r6c2 and r8c1. Thus r7c2<>2. Basics from there.
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ZeroAssoluto



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

PostPosted: Sat Jul 15, 2017 8:16 pm    Post subject: Reply with quote

Hi everyone,

Another possible solution is a
XY-Chain r1c1 1,7 - r8c1 7,2 - r7c2 2,1 - r2c2 1,9 - r2c9 9,1 - r3c8 1,9 - r3c4 9,1 and -1 in r1c45.

Ciao Gianni
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania

PostPosted: Fri Jul 21, 2017 1:21 pm    Post subject: VH+ 071417 Reply with quote

Code:

+-------------------+-------------------------+-----------------------+
| d17    179     5  |    e189    e168     68  |    24     24     3    |
|  6    a19      4  |     2       3       5   |    7      8      1-9  |
|  3     8       2  |    f19      7       4   |    6     g19     5    |
+-------------------+-------------------------+-----------------------+
|  5     4       8  |     6       12      7   |    3      129    129  |
|  9     6       7  |     18      128     3   |    12     5      4    |
|  12    123     13 |     4       5       9   |    8      6      7    |
+-------------------+-------------------------+-----------------------+
|  8    b12      9  |     7       4       26  |    5      3      126  |
| c27    5       6  |     3       289     1   |    249    247    28   |
|  4     1237    13 |     5       2689    268 |    129    127    1268 |
+-------------------+-------------------------+-----------------------+

(9=1)r2c2 - (1=2)r7c2 - (2=7)r8c1 - (7=1)r1c1 - r1c45 = r3c4 - (1=9)r3c8 => - 9 r2c9; stte
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