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Just pushes the VH boundary...

 
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immpy



Joined: 06 May 2017
Posts: 234

PostPosted: Tue May 22, 2018 12:56 pm    Post subject: Just pushes the VH boundary... Reply with quote

ALL of you VH lovers out there, this puzzle just manages to push that boundary a bit. Nothing too radical. Have fun with it and enjoy...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 387
Location: Rimini, Italy

PostPosted: Tue May 22, 2018 10:27 pm    Post subject: Reply with quote

Hi everyone,

Code:

+------------+-------------+-----------+
| 36   5  8  | 167 2  4    | 67 13  9  |
| 2    9  4  | 167 37 8    | 67 135 15 |
| 1    7  36 | 69  39 5    | 4  2   8  |
+------------+-------------+-----------+
| 68   68 17 | 59  4  19   | 3  157 2  |
| 5    4  17 | 3   8  2    | 9  17  6  |
| 9    3  2  | 57  6  17   | 8  4   15 |
+------------+-------------+-----------+
| 67   1  9  | 4   5  67   | 2  8   3  |
| 3678 68 5  | 2   79 3679 | 1  69  4  |
| 4    2  36 | 8   1  369  | 5  69  7  |
+------------+-------------+-----------+

Play this puzzle online at the Daily Sudoku site

UR with 1,7 in r45c38 and -1 -7 in r4c8

Ciao Gianni
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keith



Joined: 19 Sep 2005
Posts: 3341
Location: near Detroit, Michigan, USA

PostPosted: Tue May 22, 2018 10:40 pm    Post subject: Reply with quote

There is an XY-wing, and FOUR different UR elimination arguments.

Keith
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