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Puzzle NR_053

dailysudoku.com Forum Index -> Puzzles by daj

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daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Tue Jul 07, 2009 5:50 pm Post subject: Puzzle NR_053

Code:

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

Play this puzzle online at the Daily Sudoku site

tlanglet

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

Posted: Wed Jul 08, 2009 3:12 am Post subject:

A very fun puzzle with a mix of steps.

Quote:

Type 3 UR 17 r29c78 with subset 34; delete 4 r1c8, delete 34 r5c7 plus the implications of the UR delete 4 from r3c9,
ER 8 box5 & strong link col1,
xy-wing 46-1 with pivot 46 in r7c5,
BUG+1 sets r5c2=4.

Ted

David

Joined: 02 Jun 2006
Posts: 58
Location: Bedford, UK

Posted: Wed Jul 08, 2009 9:29 am Post subject:

Too hard for me. I spotted a couple of type 4 ur's that were helpful, but that was it.

arkietech

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

Posted: Wed Jul 08, 2009 2:14 pm Post subject:

David wrote:

Too hard for me. I spotted a couple of type 4 ur's that were helpful, but that was it.

Code:

*-----------------------------------------------------------*
| 1 489 48 | 6 7 5 | 24 3 249 |
| 3 6 5 | 2 149 49 | 147 17 8 |
| 49 7 2 | 3 14 8 | 5 6 149 |
|-------------------+-------------------+-------------------|
|*468 1 3468 |*478 5 2 | 34 9 347 |
| 7 2348 348 | 9 *48 6 | 1234 5 1234 |
| 5 24 9 | 47 3 1 | 6 8 247 |
|-------------------+-------------------+-------------------|
|*468 5 7 | 148 46-8 3 | 9 2 16 |
| 69 39 1 | 5 2 7 | 8 4 36 |
| 2 348 3468 | 148 4689 49 | 137 17 5 |
*-----------------------------------------------------------*
turbot on 8
Which opens an xy-wing 461 removing the 1 from r3c9
later there are two ur's 49 and 17
then later a bug+1 to solve this tricky one

daj95376

Joined: 23 Aug 2008
Posts: 3854

Posted: Wed Jul 08, 2009 2:16 pm Post subject:

David wrote:

Too hard for me. I spotted a couple of type 4 ur's that were helpful, but that was it.

Hello David,

Thanks for the feedback! Maybe a hint would help.

Hint wrote:

turbot fish in <8>

David

Joined: 02 Jun 2006
Posts: 58
Location: Bedford, UK

Posted: Wed Jul 08, 2009 8:01 pm Post subject:

Thanks for the help guys. I will have a look at the fish. I enjoy eating it anyway.

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