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Too Hard 051518

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immpy

Joined: 06 May 2017
Posts: 571

Posted: Tue May 15, 2018 12:36 pm Post subject: Too Hard 051518

This one was cool, for myself, anyway.....enjoy!

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers, immpy

ZeroAssoluto

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

Posted: Tue May 15, 2018 7:04 pm Post subject:

Hi everyone,

after basic

Code:

+------------+-------------+---------------+
| 5 368 2 | 167 14 4679 | 368 3679 479 |
| 7 368 369 | 5 2 469 | 1368 369 149 |
| 4 1 69 | 3 79 8 | 2 5679 579 |
+------------+-------------+---------------+
| 2 3567 4 | 67 79 1 | 35 8 59 |
| 1 357 57 | 2 8 379 | 4 359 6 |
| 8 9 36 | 4 5 36 | 7 1 2 |
+------------+-------------+---------------+
| 6 57 8 | 9 3 2 | 15 4 157 |
| 3 4 17 | 17 6 5 | 9 2 8 |
| 9 2 157 | 8 14 47 | 56 567 3 |
+------------+-------------+---------------+

Play this puzzle online at the Daily Sudoku site

XY-Chain r3c5-9-r3c3-6-r6c3-3-r6c6-6-r4c4 and -7 in r1c4,r4c5

Ciao Gianni

Clement

Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

Posted: Tue May 15, 2018 10:59 pm Post subject: Too Hard 051518

Code:

+--------------------+---------------------+-----------------------+
| 5 368 2 | 167 14 4679 | 368 3679 479 |
| 7 368 369 | 5 2 469 | 1368 369 149 |
| 4 1 e69 | 3 7-9 8 | 2 5679 579 |
+--------------------+---------------------+-----------------------+
| 2 3567 4 |b67 a79 1 | 35 8 59 |
| 1 357 57 | 2 8 379 | 4 359 6 |
| 8 9 d36 | 4 5 c36 | 7 1 2 |
+--------------------+---------------------+-----------------------+
| 6 57 8 | 9 3 2 | 15 4 157 |
| 3 4 17 | 17 6 5 | 9 2 8 |
| 9 2 157 | 8 14 47 | 56 567 3 |
+--------------------+---------------------+-----------------------+

(9=7)r4c5 - (7=6)r4c4 -(6=3)r6c6 - (3=6)r6c3 - (6=9)r3c3 => - 9r3c5; stte

arkietech

Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

Posted: Wed May 16, 2018 2:05 pm Post subject:

Code:

*-----------------------------------------------------------*
| 5 368 2 | 167 14 4679 | 368 3679 479 |
| 7 368 369 | 5 2 469 | 1368 369 149 |
| 4 1 a69 | 3 7-9 8 | 2 5679 579 |
*-------------------+-------------------+-------------------|
| 2 3567 4 |b67 b79 1 | 35 8 59 |
| 1 357 57 | 2 8 379 | 4 359 6 |
| 8 9 a36 | 4 5 b36 | 7 1 2 |
*-------------------+-------------------+-------------------|
| 6 57 8 | 9 3 2 | 15 4 157 |
| 3 4 17 | 17 6 5 | 9 2 8 |
| 9 2 157 | 8 14 47 | 56 567 3 |
*-----------------------------------------------------------*
[(9=3)r46c3-(3=9)b5p129]-9r3c5; ste

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