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  Topic: Aug 22 VH
jayagee

Replies: 1
Views: 2678

PostForum: Daily Sudoku puzzles   Posted: Thu Aug 23, 2018 1:47 am   Subject: Aug 22 VH
double XY wing around r3c8 leads to r2c6=6 and r4c7 =r6c7 both =69.

from there it falls apart.
  Topic: Aug 17 VH
jayagee

Replies: 2
Views: 3303

PostForum: Daily Sudoku puzzles   Posted: Tue Aug 21, 2018 1:05 am   Subject: Aug 17 VH
XYZ WING using r9c7,r9c9 and r5c7. that eliminates 9 from r7c7.
  Topic: Aug 20 VH
jayagee

Replies: 1
Views: 2555

PostForum: Daily Sudoku puzzles   Posted: Tue Aug 21, 2018 12:37 am   Subject: Aug 20 VH
OK. Here's what I think. There is an xy wing using cells r8c8,r5c8 and r9c9 with r8c8 being the xy. this eliminates 3 from r4c9 and that does it.
  Topic: Jul 13 VH
jayagee

Replies: 10
Views: 6242

PostForum: Daily Sudoku puzzles   Posted: Tue Jul 14, 2015 12:18 am   Subject: Jul 13 VH
OOPS!! I stand corrected. I happened to plug a 2 in c9r5 and the thing just fell apart, but when I went back and tried a 7 at that location it wouldn't solve so I guess I have misunderstood the rect ...
  Topic: Jul 13 VH
jayagee

Replies: 10
Views: 6242

PostForum: Daily Sudoku puzzles   Posted: Mon Jul 13, 2015 11:43 pm   Subject: Jul 13 VH
It's my understanding that each Sudoku MUST have one unique solution. This puzzle; with 2&7 in four boxes forming a rectangle indicates that there is NOT a unique solution. You can plug in eithe ...
  Topic: Jul 13 VH
jayagee

Replies: 10
Views: 6242

PostForum: Daily Sudoku puzzles   Posted: Mon Jul 13, 2015 7:12 pm   Subject: Jul 13 VH
This was a funny situation. 27 in c3r5r7 and c9r5r7 means that there is NOT a unique solution to this puzzle. Simply put in a 2 or 7 in any of those 4 cells and it just falls apart.
  Topic: April 3 HARD???
jayagee

Replies: 1
Views: 2061

PostForum: Daily Sudoku puzzles   Posted: Thu Apr 03, 2014 1:26 pm   Subject: April 3 HARD???
NOT!! Didn't even need to sweep, it just fell apart with basic elimination.
  Topic: Stuck on a puzzle from the local newspaper.
jayagee

Replies: 20
Views: 24479

PostForum: Other puzzles   Posted: Fri Aug 25, 2006 1:41 am   Subject: Stuck on a puzzle from the local newspaper.
Tracy: I see what you mean.. I eliminated the 16 from r6,c6 because of the 16 pairs at r1,c4,c6 and r6,c4. Then I decided i had a triple in c6 consisting of 13,19,and 39 in r4,5,&6 respectively ...
  Topic: Stuck on a puzzle from the local newspaper.
jayagee

Replies: 20
Views: 24479

PostForum: Other puzzles   Posted: Thu Aug 24, 2006 1:38 am   Subject: Stuck on a puzzle from the local newspaper.
To Marty R. Thanks; I 'm not very good with the x-y thing.. I might have noticed it if the 16 in r5,c1 had been in c2, but then again maybe not. that logic is a bit beyond my experience level. Ju ...
  Topic: Stuck on a puzzle from the local newspaper.
jayagee

Replies: 20
Views: 24479

PostForum: Other puzzles   Posted: Thu Aug 24, 2006 1:28 am   Subject: Stuck on a puzzle from the local newspaper.
To Tracy and David. There is an x-wing of 1's at r3,c3 & c8 and r6, c3 & c8. This eliminates 1 at r6,c4 and makes r1,c4 a 1 and of course a 6 at r1 c6.. Those were my last two numbers before ...
  Topic: Stuck on a puzzle from the local newspaper.
jayagee

Replies: 20
Views: 24479

PostForum: Other puzzles   Posted: Wed Aug 23, 2006 1:44 am   Subject: Stuck on a puzzle from the local newspaper.
Puzzle as posted:

XXX XXX 37X
XXX 8X5 94X
XXX 2X7 8X5

4X9 XXX X5X
X5X X8X X3X
X7X XXX 2X4

2X5 3X4 XXX
X43 9X8 XXX
X16 XXX XXX

I got this far:

5XX 1X6 372
X27 8 ...
  Topic: A real stumper from local newspaper
jayagee

Replies: 5
Views: 7816

PostForum: Other puzzles   Posted: Wed Aug 02, 2006 12:27 pm   Subject: A real stumper from local newspaper
You are right on about the typo...and I did have the 1 at r5,c5 but somehow left it out when I posted. Totally missed the "fork" you pointed out. Hadn't seen this type of thing before. Thanks a bu ...
  Topic: A real stumper from local newspaper
jayagee

Replies: 5
Views: 7816

PostForum: Other puzzles   Posted: Wed Aug 02, 2006 2:10 am   Subject: A real stumper from local newspaper
Puzzle as published

XX9 53X 4X8
XXX XXX X91
XX5 XX6 XX3
XXX 9XX X17
XXX XXX XXX
61X XX8 XXX
5XX 7XX 9XX
38X XXX XXX
9X1 X23 X8X

I got this far and can't find any ...
 
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