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  Topic: August 13 puzzle very hard
Nenthorn

Replies: 14
Views: 21503

PostForum: Daily Sudoku puzzles   Posted: Mon Aug 14, 2006 7:37 am   Subject: Aug 13
Did you find the hidden triple in column 7, Bill? It took me ages.
  Topic: 30 March VERY hard
Nenthorn

Replies: 8
Views: 14262

PostForum: Daily Sudoku puzzles   Posted: Fri Mar 31, 2006 5:53 pm   Subject: 30 March VERY hard
Thanks, guys. The bit I was missing was, as David says so eloquently, "In the middle left 3x3 box both 2 and 6 are constrained to lie in column 1." I was so busy looking for pairs I'd neglected the ...
  Topic: 30 March VERY hard
Nenthorn

Replies: 8
Views: 14262

PostForum: Daily Sudoku puzzles   Posted: Fri Mar 31, 2006 2:28 pm   Subject: 30 March VERY hard
I really can't do this one. I'm here:

900 745 003
730 962 001
402 138 070
009 027 000
003 000 700
070 693 000
090 376 102
300 200 057
127 050 006

The hint gives 9 at row5, column 9, but I can't see ...
  Topic: 5-MAR-06 very hard
Nenthorn

Replies: 5
Views: 8351

PostForum: Daily Sudoku puzzles   Posted: Mon Mar 06, 2006 3:09 pm   Subject: 5-MAR-06 very hard
Thanks, Steve. You're a good man.
  Topic: 5-MAR-06 very hard
Nenthorn

Replies: 5
Views: 8351

PostForum: Daily Sudoku puzzles   Posted: Mon Mar 06, 2006 8:55 am   Subject: 5-MAR-06 very hard
Stuck again. This seemed to be over the hump, but I can't for the life of me see where to go next. Will some kind soul put an end to my misery? What am I missing this time?

080 000 010
920 803 040 ...
  Topic: 12feb06
Nenthorn

Replies: 5
Views: 11076

PostForum: Daily Sudoku puzzles   Posted: Mon Feb 13, 2006 12:05 pm   Subject: 12feb06
Thanks Geoff. I had been staring so hard looking for hidden things I couldn't see the naked one! You're a mate.
  Topic: 12feb06
Nenthorn

Replies: 5
Views: 11076

PostForum: Daily Sudoku puzzles   Posted: Mon Feb 13, 2006 10:24 am   Subject: 12feb06
I've been sailing through these very hards quite the thing - but now I'm brought back to earth. I cannot for the life of me see what I'm missing here. Can one of you geniuses help me, please?

Here' ...
  Topic: 31 dec very hard
Nenthorn

Replies: 2
Views: 6027

PostForum: Daily Sudoku puzzles   Posted: Mon Jan 02, 2006 7:25 pm   Subject: 31 dec very hard
Thanks to David Bryant and to Dotdot. You're good people.
  Topic: 31 dec very hard
Nenthorn

Replies: 2
Views: 6027

PostForum: Daily Sudoku puzzles   Posted: Mon Jan 02, 2006 5:53 pm   Subject: 31 dec very hard
I cannot get past here . . .

120 674 000
070 583 012
003 192 600
050 961 200
967 235 184
312 748 596
091 400 300
030 809 061
000 310 009

What am I missing? Rolling Eyes
  Topic: 12nov2005 hint
Nenthorn

Replies: 6
Views: 11449

PostForum: Daily Sudoku puzzles   Posted: Sun Nov 13, 2005 11:26 pm   Subject: Re: 12 Nov
First: r7c8 must either be 1 or 5, the reason is trivial.
Second: both r4c9 and r6c9 cannot be 1 because they must either be 2 or 4.
Third: Therefore in the sixth block, 1 must appear in either r4c8 o ...
  Topic: 12nov2005 hint
Nenthorn

Replies: 6
Views: 11449

PostForum: Daily Sudoku puzzles   Posted: Sun Nov 13, 2005 12:27 pm   Subject: 12nov2005 hint
I am absolutely stumped by this one. So far I am at:
391 687 425
854 231 769
762 459 100
937 000 600
206 000 007
005 760 090
023 870 906
570 306 240
600 020 070
The hint of 5 at r7c8 I find inexplica ...
 
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