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  Topic: 10/17/06 Daily Puzzle: More "Coloring"
OhioSaba

Replies: 6
Views: 17529

PostForum: Daily Sudoku puzzles   Posted: Fri Oct 20, 2006 4:24 pm   Subject: Thank you
This is what I'm seeing with regard to an X-Wing on "5." The X-Wing is in cols. 1 and 8. After eliminating the "5s" from col. 7, there is a triple on 468 in that column. That forces r5c7 to be "9" whi ...
  Topic: 10/17/06 Daily Puzzle: More "Coloring"
OhioSaba

Replies: 6
Views: 17529

PostForum: Daily Sudoku puzzles   Posted: Thu Oct 19, 2006 9:06 pm   Subject: x-wing elimination
TKiel,

I am stuck at the same point. I saw the x-wing elimination of 4 from r4c7 and r8c5, but do not see how to eliminate the 9 so the square resolves to 5. Could you provide just a little more as ...
  Topic: Sunday, July 24th
OhioSaba

Replies: 10
Views: 39274

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 26, 2005 4:30 pm   Subject: Sunday, July 24th
In column 1 the number 4 can only be placed in row 1 or 2. What this means is that all other occurances of 4 in the upper left block can be eliminated; therefore, the 9 must be placed in 2,2.

Best r ...
  Topic: Sunday, July 24th
OhioSaba

Replies: 10
Views: 39274

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 26, 2005 1:33 am   Subject: Sunday, July 24th
eh row=column Embarassed (it`s so confusing, I am refering to the vertical line of possibilities) :shock:

This was the hint I needed, thank you very much.
  Topic: Sunday, July 24th
OhioSaba

Replies: 10
Views: 39274

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 26, 2005 1:14 am   Subject: Re: Sunday, July 24th
Embarassed



-/7/- 5/-/2 6/8/-
-/-/5 -/-/- -/1/2
6/8/2 -/4/1 5/3/-

2/3/7 -/5/- 9/4/1
8/-/- 2/7/9 3/6/5
9/5/6 4/1/3 2/7/8

-/2/- -/8/4 -/5/-
7/6/- 1/2/5 8/9/-
5/-/8 3/-/7 -/2/-



The 3 in the 8th row w ...
  Topic: Sunday, July 24th
OhioSaba

Replies: 10
Views: 39274

PostForum: Daily Sudoku puzzles   Posted: Mon Jul 25, 2005 7:58 pm   Subject: Sunday, July 24th
I was able to solve the problem, but it required taking a guess. Could someone explain the logical progression from the following point:

-/7/- 5/-/2 6/8/-
-/-/5 -/-/- -/1/2
6/8/2 -/4/1 5/3/-

2/3/7 ...
  Topic: Question about Sunday's puzzle
OhioSaba

Replies: 2
Views: 20370

PostForum: Daily Sudoku puzzles   Posted: Fri Jul 22, 2005 2:25 pm   Subject: Question about Sunday's puzzle
This makes perfect sense. I had not considered that type of approach. Thank you for providing me with a new technique.
  Topic: Question about Sunday's puzzle
OhioSaba

Replies: 2
Views: 20370

PostForum: Daily Sudoku puzzles   Posted: Thu Jul 21, 2005 8:59 pm   Subject: Question about Sunday's puzzle
I was told about this site earlier today, so after working today's "hard" puzzle I decided to go back and look at the archives. When I saw Sunday's "very hard" puzzle I got started immediately.

Long ...
 
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