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  Topic: Dec 16 VH
stevieboy

Replies: 1
Views: 15108

PostForum: Daily Sudoku puzzles   Posted: Wed Dec 16, 2009 7:56 pm   Subject: Dec 16 VH
Ditto, Clement!! Very Happy
  Topic: March 12 VH
stevieboy

Replies: 11
Views: 47237

PostForum: Daily Sudoku puzzles   Posted: Thu Mar 12, 2009 11:52 pm   Subject: March 12 VH
Thanks, cgordon!

Actually, the "code" sudoku that I presented before my little one-line solution was not the real board that I was faced with! I neglected to copy what I was actually f ...
  Topic: March 12 VH
stevieboy

Replies: 11
Views: 47237

PostForum: Daily Sudoku puzzles   Posted: Thu Mar 12, 2009 2:41 pm   Subject: March 12 VH
+---------------+------------+--------------+
| 1 5 346 | 2 9 36 | 7 8 46 |
| 239 269 3467 | 38 178 16 | 5 1469 46 |
| 8 69 67 | 5 17 4 | 19 3 2 |
+------- ...
  Topic: March 5, vh
stevieboy

Replies: 8
Views: 37633

PostForum: Daily Sudoku puzzles   Posted: Thu Mar 05, 2009 7:34 pm   Subject: March 5, vh
It seemed like it took years to find the (237) xy-wing, but, that's what broke it open!
  Topic: Feb 23 VH
stevieboy

Replies: 8
Views: 35619

PostForum: Daily Sudoku puzzles   Posted: Tue Feb 24, 2009 4:57 pm   Subject: Feb 23 VH
I'm looking all around for the 245 xy-wing - usually, I see 'em pretty fast...however, I can't find it here (at least, where I can actually eliminate a common "claw" number). Where is the d ...
  Topic: Oct 9 VH
stevieboy

Replies: 20
Views: 80420

PostForum: Daily Sudoku puzzles   Posted: Fri Oct 10, 2008 4:06 pm   Subject: Oct 9 VH

+-----------------+--------------+---------------+
| 2348 248 1 | 6 39 7 | 248 5 2349 |
| 7 5 48 | 139 2 1349 | 148 3489 6 |
| 234 6 9 | 5 8 134 | 124 ...
  Topic: July 15 "very hard" medium at best
stevieboy

Replies: 10
Views: 42348

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 15, 2008 7:01 pm   Subject: July 15 "very hard" medium at best
The next steps that I see are the 2 separate Unique Rectangles:
The '<28> in rows 5 and 6, and the <69> in columns 2 and 3...after that, I believe that you're home free.

Still, I sure ...
  Topic: June 6 VH
stevieboy

Replies: 11
Views: 53986

PostForum: Daily Sudoku puzzles   Posted: Fri Jun 06, 2008 4:49 pm   Subject: June 6 VH
Gee, thanks! Embarassed
  Topic: June 6 VH
stevieboy

Replies: 11
Views: 53986

PostForum: Daily Sudoku puzzles   Posted: Fri Jun 06, 2008 3:11 pm   Subject: June 6 VH


Your other "puzzle solver" is unknown to me. Try to go through the steps and prove how your elimination works. Which '6' is eliminated? From what cell? Why? There is a huge chance that t ...
  Topic: June 6 VH
stevieboy

Replies: 11
Views: 53986

PostForum: Daily Sudoku puzzles   Posted: Fri Jun 06, 2008 1:08 pm   Subject: June 6 VH
I arrived at this point:


+-------------+------------+--------+
| 2567 267 8 | 57 9 267 | 1 4 3 |
| 25 4 1 | 58 3 28 | 9 6 7 |
| 367 367 9 | 1 46 467 | 2 5 8 |
+------------- ...
  Topic: Do the June 4 Very Hard at the previous weekend!
stevieboy

Replies: 25
Views: 109791

PostForum: Daily Sudoku puzzles   Posted: Wed Jun 04, 2008 6:45 pm   Subject: Do the June 4 Very Hard at the previous weekend!

I can't see an XYZ-Wing based in r7c1. It appears that you're treating that cell as if were 26 and creating an XY-Wing. The essence of an XYZ-Wing is that candidates are eliminated that can see all ...
  Topic: Do the June 4 Very Hard at the previous weekend!
stevieboy

Replies: 25
Views: 109791

PostForum: Daily Sudoku puzzles   Posted: Wed Jun 04, 2008 3:56 pm   Subject: Do the June 4 Very Hard at the previous weekend!
Isn't the XYZ-Wing from <269> in R7C1, eliminating the <9> in R3C7 legitimate? I haven't heard anyone mention that; this is what I used to solve it (I must've been lucky, I guess!!)


...
  Topic: Jun 4 VH
stevieboy

Replies: 1
Views: 15322

PostForum: Daily Sudoku puzzles   Posted: Wed Jun 04, 2008 3:20 pm   Subject: Jun 4 VH
I used the xyz-wing <269> in R7C1 to take out the <9> in R3C7:
(first time using ascii diagram - excuse the mess!!!)

+------------+---------+------------+
| 39 4 1 | 5 6 8 | ...
  Topic: May 30 VH
stevieboy

Replies: 16
Views: 76841

PostForum: Daily Sudoku puzzles   Posted: Fri May 30, 2008 4:34 pm   Subject: May 30 VH
No problem, Florida Bob,

The '7's in Rows 2 and 8, as well as along Column 1 are strong pairs (one or the other cell along those paths HAS to be a '7').

Therefore, in Column 9, the 7 HAS to be ...
  Topic: May 30 VH
stevieboy

Replies: 16
Views: 76841

PostForum: Daily Sudoku puzzles   Posted: Fri May 30, 2008 4:00 pm   Subject: May 30 VH

...UR 25 r46c19 (in order to avoid the deadly pattern, r46c1 must contain 9) solves r1c1=4 and r5c2=9.

That's what did it for me, too!
  Topic: May 21, 08 vh
stevieboy

Replies: 16
Views: 60576

PostForum: Daily Sudoku puzzles   Posted: Wed May 21, 2008 2:39 pm   Subject: May 21, 08 vh
Solved it online in about 3 minutes....the UR that everyone's talking about was the only thing I needed to do, to continue on.

BTW, all that stuff I "rambled" on about a couple of weeks ...
  Topic: May 9 Hard
stevieboy

Replies: 13
Views: 61511

PostForum: Daily Sudoku puzzles   Posted: Fri May 09, 2008 6:58 pm   Subject: May 9 Hard
...that may be true, cgordon, but not long after I did the same stuff you guys did (the 1-2 combo in Box 5 Row 5, which eliminated a lot of stuff in that area), I did the M-Wing, and we were in busine ...
  Topic: May 9 Hard
stevieboy

Replies: 13
Views: 61511

PostForum: Daily Sudoku puzzles   Posted: Fri May 09, 2008 6:01 pm   Subject: May 9 Hard
Thanks, Marty.

Since I've been doing these puzzles on paper, I just haven't taken the time to transfer them online.
  Topic: May 9 Hard
stevieboy

Replies: 13
Views: 61511

PostForum: Daily Sudoku puzzles   Posted: Fri May 09, 2008 5:40 pm   Subject: May 9 Hard
Thanks, Marty.

Since I've been doing these puzzles on paper, I just haven't taken the time to transfer them online.
  Topic: May 9 Hard
stevieboy

Replies: 13
Views: 61511

PostForum: Daily Sudoku puzzles   Posted: Fri May 09, 2008 5:24 pm   Subject: May 9 Hard
Thanks, Marty.

Since I've been doing these puzzles on paper, I just haven't taken the time to transfer them online.
 
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