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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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 Posted: Mon May 01, 2017 11:44 pm Post subject: May 2 VH |
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| Basics only |
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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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| Posted: Tue May 02, 2017 2:23 pm Post subject: May 2 NVH |
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| Code: |
+--------------+------------+-------------+
| 1367 2 9 | 67 357 8 | 57 4 137 |
| 5 67 4 | 1 37 369 | 2 79 8 |
| 137 18 178 | 2 4 359 | 6 15 1379 |
+--------------+------------+-------------+
| 167 3 2 | 4 8 56 | 9 156 17 |
| 4 18 178 | 9 357 356 | 57 156 2 |
| 679 679 5 | 67 2 1 | 8 3 4 |
+--------------+------------+-------------+
| 8 4 3 | 5 9 7 | 1 2 6 |
| 2 79 6 | 8 1 4 | 3 79 5 |
| 179 5 17 | 3 6 2 | 4 8 79 |
+--------------+------------+-------------+
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Play this puzzle online at the Daily Sudoku site
I think that the software is using the X wing on 3 c19 to solve it
(making it the most easy of VHs), while the box-line interaction
(b2r2) is a 'basic' way to remove the crucial 3 in r1c5. |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Tue May 02, 2017 4:05 pm Post subject: |
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Hi everyone,
I think that to quickly reach the solution with one step it is necessary to use the technique the fin-x-wing on 7 c57, with the elimination of 7 on R1C4, fin 7 on R2C5.
Ciao Paolo |
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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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| Posted: Wed May 03, 2017 3:08 am Post subject: May 2 VH |
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I agree with Clement - it is basics only.
Early Earl |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Wed May 03, 2017 9:09 am Post subject: Re: May 2 VH |
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Hi everyone,
If we mean "basic strategies" in addition to naked singles, hidden singles and locked candidates even naked subset, I also agree,because it is possible to delete 7 in R1C4 with naked pairs (cells E1, G1).
Ciao Paolo |
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immpy
Joined: 06 May 2017
Posts: 571
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| Posted: Mon May 08, 2017 12:56 pm Post subject: |
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Hello all.
I tend to agree with the "basics" theory. After solving it I felt that maybe this one should have been rated Hard.
Still a good puzzle.
immpy |
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