View previous topic :: View next topic |
Author |
Message |
sudokuEd Grandmaster

Joined: 19 Jun 2006 Posts: 257 Location: Sydney Australia
|
Posted: Mon Nov 27, 2006 11:41 am Post subject: X-treme Nov 27 - ideas? |
|
|
Been staring blankly at this spot for ages - can't find anything. Any ideas? Surely that infestation has been exterminated by now?
Code: | .------------------.------------------.------------------.
| 167 346 13467| 4679 8 2 | 5 134 69 |
| 5 8 13467| 4679 3469 34679| 2 134 1469 |
| 2 9 346 | 5 346 1 | 7 8 46 |
:------------------+------------------+------------------:
| 169 2 1689 | 4679 14679 4689 | 1468 5 3 |
| 3 7 168 | 146 5 468 | 146 9 2 |
| 4 5 1689 | 136 2 369 | 168 7 18 |
:------------------+------------------+------------------:
| 79 1 2 | 8 349 3479 | 39 6 5 |
| 6789 346 5 | 13679 169 3679 | 1389 2 1478 |
| 689 346 34679| 2 1679 5 | 1389 14 147 |
'------------------'------------------'------------------' |
|
|
Back to top |
|
 |
Ruud Site Owner

Joined: 30 Dec 2005 Posts: 601
|
Posted: Mon Nov 27, 2006 1:51 pm Post subject: |
|
|
There is a very simple coloring move to eliminate 3 from r8c2:
Code: | .------------------.------------------.------------------.
| 167 346 13467| 4679 8 2 | 5 134 69 |
| 5 8 13467| 4679 3469 34679| 2 134 1469 |
| 2 9 346 | 5 346 1 | 7 8 46 |
:------------------+------------------+------------------:
| 169 2 1689 | 4679 14679 4689 | 1468 5 3 |
| 3 7 168 | 146 5 468 | 146 9 2 |
| 4 5 1689 |A136 2 369 | 168 7 18 |
:------------------+------------------+------------------:
| 79 1 2 | 8 349 3479 | 39 6 5 |
| 6789 -346 5 |B13679 169 3679 | 1389 2 1478 |
| 689 346 34679| 2 1679 5 | 1389 14 147 |
'------------------'------------------'------------------' |
The subsequent Locked_Candidates move will open things up a little.
Ruud |
|
Back to top |
|
 |
sudokuEd Grandmaster

Joined: 19 Jun 2006 Posts: 257 Location: Sydney Australia
|
Posted: Tue Nov 28, 2006 6:15 am Post subject: |
|
|
Ruud wrote: | There is a very simple coloring move to eliminate 3 from r8c2: | It was simple - tricked by those diagonals again.
The rest flowed out very nicely, with one more hold-up at the end. Thanks.
I like how you put the links to the relevant bit in Supopedia too. Very helpful. |
|
Back to top |
|
 |
|