Author |
Message |
Topic: April 1 Hard |
Zoelly
Replies: 5
Views: 28823
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Forum: Daily Sudoku puzzles Posted: Mon Apr 06, 2009 3:37 am Subject: April 1, Hard |
Hi Swando,
I was in similar "blind" mode on this one for days.
This evening I finally saw the numbers that broke the log jam.
Did you get it solved? If not, I'll give a hint.
Zoelly |
Topic: March 4, '09, hard |
Zoelly
Replies: 17
Views: 66449
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Forum: Daily Sudoku puzzles Posted: Fri Mar 20, 2009 2:19 am Subject: March 4, '09, hard |
When naked quads are made of subsets like those seen in box 9, I don't spot them easily. I'm glad you pointed them out for me, Marty.
It's that the 4 appears in only two squares and the 2 appear ... |
Topic: March 4, '09, hard |
Zoelly
Replies: 17
Views: 66449
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Forum: Daily Sudoku puzzles Posted: Thu Mar 19, 2009 2:52 am Subject: March 4, '09, hard |
Norm,
Well, I kinda do know about all the red 8's, I think!
Is that to show you're eyeballing them --- because you're working on the theory that they're part of a hidden pair?
Green 7's, the same ... |
Topic: March 4, '09, hard |
Zoelly
Replies: 17
Views: 66449
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Forum: Daily Sudoku puzzles Posted: Thu Mar 19, 2009 2:40 am Subject: March 4, '09, hard |
Hi Ho!
I've solved the puzzle!
Thanks to Nataraj, especially, for telling me to look at 3's in box 1. There were so many 3's scattered about in this puzzle that I must have just started to igno ... |
Topic: March 4, '09, hard |
Zoelly
Replies: 17
Views: 66449
|
Forum: Daily Sudoku puzzles Posted: Wed Mar 18, 2009 4:54 am Subject: March 4, '09, hard |
8 . . |3 7.|. 4 .
. 6 4|. . 1|. . .
. 7 9|. 6 .|. . 2
-----+----+-----
4 . .|7 5 2|. . 8
2 . .|. 1 . |. . 7
7 . .|6 9 .|. . 1
----+---- +-----
9 . .|. 3 .|5 . .
. . . |5 . .| ... |
Topic: March 4, '09, hard |
Zoelly
Replies: 17
Views: 66449
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Forum: Daily Sudoku puzzles Posted: Tue Mar 17, 2009 3:48 am Subject: March 4, '09, hard |
I think you might be right, Norm.
Hidden pairs can be so hard to find.
I don't know the term "intersection."
So far I've done FOUR Box-Line Reductions in this puzzle.
1) In Box 1 be ... |
Topic: March 4, '09, hard |
Zoelly
Replies: 17
Views: 66449
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Forum: Daily Sudoku puzzles Posted: Sun Mar 15, 2009 5:25 pm Subject: March 4, '09, hard |
thanks!
i'll keep studying the numbers |
Topic: March 4, '09, hard |
Zoelly
Replies: 17
Views: 66449
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Forum: Daily Sudoku puzzles Posted: Sun Mar 15, 2009 5:31 am Subject: March 4, '09, hard |
Does this puzzle require any solution techniques beyond the basics: finding pairs, hidden pairs, box-line reduction, or row claiming? |
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