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Clement

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

Posted: Fri May 22, 2015 4:11 pm Post subject: 1sudoku.net

Code:

nᵒ511303-Level Evil
+-------+-------+-------+
| 5 . . | . 9 . | 2 3 . |
| . . . | . . . | 6 . 5 |
| . . 4 | 2 . . | 8 9 1 |
+-------+-------+-------+
| . . 6 | 1 . 9 | . . . |
| 9 . . | . . . | . . 2 |
| . . . | 4 . 8 | 5 . . |
+-------+-------+-------+
| 3 8 7 | . . 5 | 4 . . |
| 4 . 2 | . . . | . . . |
| . 9 5 | . 4 . | . . 3 |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

tlanglet

Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

Posted: Sat May 23, 2015 1:32 am Post subject:

Code:

*-----------------------------------------------------------*
| 5 6 18 |*78 9 14 | 2 3 *47 |
| 18 2 9 | 3 78 14 | 6 47 5 |
| 7 3 4 | 2 5 6 | 8 9 1 |
|-------------------+-------------------+-------------------|
| 28 5 6 | 1 237 9 | 37 478 478 |
| 9 4 138 | 5 367 37 | 137 1678 2 |
| 12 7 13 | 4 236 8 | 5 16 9 |
|-------------------+-------------------+-------------------|
| 3 8 7 | 9 1 5 | 4 2 6 |
| 4 1 2 | 6 378 37 | 9 5 8-7 |
| 6 9 5 |*78 4 2 |F17 *178 3 |
*-----------------------------------------------------------*

How about a finned skyscraper on 7r1c49,7r9c48 with fin 7r9c7 => r8c9<>7

Marty R.

Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

Posted: Sat May 23, 2015 4:18 am Post subject:

Ted, I'm not gonna argue, just say that I learned that pattern as a Sashimi and that's what I'd still call it. However, it may be that Sashimi and Finned Skyscraper are one and the same.

Clement

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

Posted: Sat May 23, 2015 6:01 am Post subject: 1sudoku.net

Code:

+----------+-----------+--------------+
| 5 6 c18 | 78 9 b14 | 2 3 a47 |
| d18 2 9 | 3 78 14 | 6 47 5 |
| 7 3 4 | 2 5 6 | 8 9 1 |
+----------+-----------+--------------+
| e28 5 6 | 1 237 9 | 37 f478 f478 |
| 9 4 138 | 5 367 37 | 137 g1678 2 |
| 12 7 13 | 4 236 8 | 5 16 9 |
+----------+-----------+--------------+
| 3 8 7 | 9 1 5 | 4 2 6 |
| 4 1 2 | 6 378 37 | 9 5 i8-7 |
| 6 9 5 | 78 4 2 | 17 h178 3 |
+----------+-----------+--------------+

Same elimination as tranglet using a chain
(7=4)r1c9-(4=1)r1c6-(1=8)r1c3-r2c1=r4c1-r4c89=r5c8-r9c8=(8)r8c9 => -7r8c9; stte

hughwill

Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK

Posted: Tue May 26, 2015 1:33 pm Post subject:

Code:

+----------+-----------+--------------+
| 5 6 18 | 78b 9 14 | 2 3 47c |
| 18 2 9 | 3 78 14 | 6 47 5 |
| 7 3 4 | 2 5 6 | 8 9 1 |
+----------+-----------+--------------+
| 28 5 6 | 1 237 9 | 37 478 478 |
| 9 4 138 | 5 367 37 | 137 1678 2 |
| 12 7 13 | 4 236 8 | 5 16 9 |
+----------+-----------+--------------+
| 3 8 7 | 9 1 5 | 4 2 6 |
| 4 1 2 | 6 378 37 | 9 5 78d |
| 6 9 5 | 78a 4 2 | 17 178 3 |
+----------+-----------+--------------+

I've never understood the notation. Does any of this mean that:
r9c4<>7 because if it were r1c4<>7 - r1c9=7 - r8c9<>7. Therefore
one of r9c78 would have to provide the 7 in box9. Since that's impossible
r9c4 must =8 stte. ?

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