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VH+ 052017

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immpy

Joined: 06 May 2017
Posts: 574

Posted: Sat May 20, 2017 3:07 pm Post subject: VH+ 052017

Enjoy.

Code:

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

Play this puzzle online at the Daily Sudoku site

Ajò Dimonios

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

Posted: Sat May 20, 2017 6:08 pm Post subject:

Code:

+----------------+------------+----------------+
| 1458 18 1458 | 6 9 157 | 2 1457 3 |
| 1459 19 3 | 2 457 8 | 17 6 1457 |
| 7 6 2 | 15 45 3 | 18 9 1458 |
+----------------+------------+----------------+
| 3 4 157 | 15 8 9 | 6 1257 1257 |
| 158 2 158 | 7 3 6 | 9 1458 1458 |
| 6 178 9 | 4 2 15 | 178 3 1578 |
+----------------+------------+----------------+
| 189 3 178 | 89 57 257 | 4 1278 6 |
| 1489 1789 1478 | 3 6 27 | 5 1278 12789 |
| 2 5 6 | 89 1 4 | 3 78 789 |
+----------------+------------+----------------+

Play this puzzle online at the Daily Sudoku site
If R1C6=1-->contradiction R2C7= empty-->R1C6<1>solution with basic strategies.

JC Van Hay

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

Posted: Sat May 20, 2017 6:53 pm Post subject:

Code:

+------------------+-------------------+-----------------------+
| 1458 18 1458 | 6 9 5-1(7) | 2 1458(7) 3 |
| 1459 19 3 | 2 457 8 | (17) 6 1457 |
| 7 6 2 | 5(1) 45 3 | 8(1) 9 458(1) |
+------------------+-------------------+-----------------------+
| 3 4 157 | 15 8 9 | 6 1257 1257 |
| 158 2 158 | 7 3 6 | 9 1458 1458 |
| 6 178 9 | 4 2 15 | 178 3 1578 |
+------------------+-------------------+-----------------------+
| 189 3 178 | 89 57 257 | 4 1278 6 |
| 1489 1789 1478 | 3 6 27 | 5 1278 12789 |
| 2 5 6 | 89 1 4 | 3 78 789 |
+------------------+-------------------+-----------------------+

S-Wing{1R3, (17)r2c7, 7R1} -> -{1r1c6}; stte

Clement

Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania

Posted: Sun May 21, 2017 11:22 pm Post subject: VH + 052017

Code:

+----------------+------------+---------------+
| 1458 18 1458 | 6 9 157 | 2 1457 3 |
| 1459 19 3 | 2 a457 8 | 1-7 6 1457 |
| 7 6 2 | 15 a45 3 | b18 9 1458 |
+----------------+------------+---------------+
| 3 4 157 | b15 8 9 | 6 1257 1257 |
| 158 2 158 | 7 3 6 | 9 1458 1458 |
| 6 178 9 | 4 2 c15 | d178 3 1578 |
+----------------+------------+---------------+
| 189 3 178 | 89 57 257 | 4 128 6 |
| 1489 1789 1478 | 3 6 27 | 5 128 1289 |
| 2 5 6 | 89 1 4 | 3 78 789 |
+----------------+------------+---------------+

A net

(7=45)r23c5 - (5=1)r3c4 - (1=8*)r3c7_
....................|....................................\ _(1*8*=7)r6c7 => - 7 r2c7; stte
....................-(1=5)r4c4 - (5=1*)r6c6_/

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