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Diabolical #1666, January 31

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Marty R.

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

Posted: Sat Feb 06, 2010 12:21 am Post subject: Diabolical #1666, January 31

Hopelessly stuck after only being able to come up with two ERs. My hoped-for answer is that there's a mechanical error without which I'd be easily able to solve it. Rolling Eyes

Code:

+-------------+---------------+---------------+
| 135 6 9 | 145 135 7 | 2 38 1348 |
| 1235 4 123 | 8 1356 9 | 367 367 137 |
| 137 17 8 | 146 2 36 | 346 5 9 |
+-------------+---------------+---------------+
| 367 78 36 | 26 489 5 | 1 239 234 |
| 9 2 5 | 3 48 1 | 47 78 6 |
| 136 18 4 | 7 89 26 | 5 2389 238 |
+-------------+---------------+---------------+
| 4 3 126 | 1256 7 8 | 9 26 25 |
| 8 5 26 | 9 36 4 | 367 1 237 |
| 126 9 7 | 1256 1356 236 | 8 4 235 |
+-------------+---------------+---------------+

Play this puzzle online at the Daily Sudoku site

wapati

Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.

Posted: Sat Feb 06, 2010 1:42 am Post subject:

I like this finned swordfish.

Code:

.------------------.------------------.------------------.
| 135 6 9 | 145 135 7 | 2 38 1348 |
| 1235 4 123 | 8 1356 9 | 367 367 137 |
|*137 *17 8 |*146 2 36 | 346 5 9 |
:------------------+------------------+------------------:
| 367 78 36 | 26 489 5 | 1 239 234 |
| 9 2 5 | 3 48 1 | 47 78 6 |
|*136 *18 4 | 7 89 26 | 5 2389 238 |
:------------------+------------------+------------------:
| 4 3 126 | 256-1 7 8 | 9 26 25 |
| 8 5 26 | 9 36 4 | 367 1 237 |
|*126 9 7 |*1256 *1356 236 | 8 4 235 |
'------------------'------------------'------------------'

Then an xyz followed by an x-wing.

Very fun puzzle.

Marty R.

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

Posted: Sat Feb 06, 2010 2:18 am Post subject:

Quote:

I like this finned swordfish.

Great move! I don't bother looking for swordfish because it's too much work for too little return. Maybe if there was a more efficient way of searching...

Thanks.

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Sat Feb 06, 2010 5:08 pm Post subject:

Code:

finned mutant X-Wing r3c3\c4b1 -also called-
2-String Kite
+-----------------------------------+
| 1 . . | 1 1 . | . . 1 |
| 1 . *1 | . 1 . | . . 1 |
| *1 *1 . | *1 . . | . . . |
|-----------+-----------+-----------|
| . . . | . . . | 1 . . |
| . . . | . . 1 | . . . |
| 1 1 . | . . . | . . . |
|-----------+-----------+-----------|
| . . #1 | -1 . . | . . . |
| . . . | . . . | . 1 . |
| 1 . . | 1 1 . | . . . |
+-----------------------------------+

Code:

Sashimi X-Wing c58\r27
+-----------------------------------+
| . 6 . | . . . | . . . |
| . . . | . *6 . | 6 *6 . |
| . . . | 6 . 6 | 6 . . |
|-----------+-----------+-----------|
| 6 . 6 | 6 . . | . . . |
| . . . | . . . | . . 6 |
| 6 . . | . . 6 | . . . |
|-----------+-----------+-----------|
| . . 6 | -6 . . | . *6 . |
| . . 6 | . #6 . | 6 . . |
| 6 . . | 6 #6 6 | . . . |
+-----------------------------------+

Code:

*) r7c4<>1 => r7c3=1
*) r7c4<>6 + r7c3<>6 => r7c8=6
*) puzzle cracks

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