dailysudoku.com :: View topic - Extreme VH 012619

dailysudoku.com
Discussion of Daily Sudoku puzzles

FAQ

Memberlist

Usergroups

Profile

Extreme VH 012619

dailysudoku.com Forum Index -> Other puzzles

View previous topic :: View next topic

Author

Message

immpy

Joined: 06 May 2017
Posts: 571

Posted: Sat Jan 26, 2019 5:56 am Post subject: Extreme VH 012619

Only VH techniques are necessary; Finned X-Wings are also possible.
Enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp

ZeroAssoluto

Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy

Posted: Sat Jan 26, 2019 10:41 am Post subject:

Hi everyone,

Code:

+--------------+-------------+----------------+
| 56 13 56 | 2 17 4 | 8 37 9 |
| 17 9 4 | 1357 8 357 | 157 2 6 |
| 8 123 127 | 157 9 6 | 157 4 1357 |
+--------------+-------------+----------------+
| 17 6 137 | 37 2 9 | 4 5 8 |
| 29 4 237 | 8 5 1 | 2679 367 237 |
| 259 8 2357 | 6 4 37 | 279 1 237 |
+--------------+-------------+----------------+
| 26 5 126 | 9 3 27 | 127 8 4 |
| 4 7 8 | 15 6 25 | 3 9 12 |
| 3 12 9 | 4 17 8 | 12567 67 1257 |
+--------------+-------------+----------------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 1,2,7 in r7c6,r9c25 and -2 in r7c13

Code:

+----------+-----------+---------------+
| 5 13 6 | 2 17 4 | 8 37 9 |
| 7 9 4 | 135 8 35 | 15 2 6 |
| 8 13 2 | 157 9 6 | 157 4 1357 |
+----------+-----------+---------------+
| 1 6 37 | 37 2 9 | 4 5 8 |
| 29 4 37 | 8 5 1 | 2679 367 237 |
| 29 8 5 | 6 4 37 | 279 1 237 |
+----------+-----------+---------------+
| 6 5 1 | 9 3 27 | 27 8 4 |
| 4 7 8 | 15 6 25 | 3 9 12 |
| 3 2 9 | 4 17 8 | 1567 67 157 |
+----------+-----------+---------------+

Play this puzzle online at the Daily Sudoku site

UR 2,9 in r56c17 and -2 in r56c7

Ciao Gianni

Ajò Dimonios

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

Posted: Sat Jan 26, 2019 6:22 pm Post subject:

Paolo
Hi everyone.

Code:

Play this puzzle online at the Daily Sudoku site
One step after basics
If R1C5=1=>contradiction =>-1R1C5=>solution.
(1-7)R1C5=(7-3)R1C8=3R3C9-3R56C9;1R1C5-1R9C5=(1-5)R8C4=(5-2)R8C6=2R8C9-2R56C9=7R56C9 => two 7 in box 6=>-1R1C5=>stte
Ciao a Tutti
Paolo

Display posts from previous:

	dailysudoku.com Forum Index -> Other puzzles	All times are GMT
Page 1 of 1

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum