sotir from New York

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   Eve  From So. Oregon
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to you to Sudokuland, along with a Strawberry Cream Cheese Pie for you and your guests.

There’s lots to do around here, places to visit and chat. I'm just around the corner, stop in anytime for more pie and a video.

20/Mar/08 11:29 AM
Pat  From New Orleans
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Welcome to Sudokuland...may you have as much fun as I do...working the puzzles and chatting with the people.
20/Mar/08 12:07 PM
sotir  From New York
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Sudoku: 4/26/08
Here is another way of solution:
1) UP = 23 -> UP=26
2) YW: (27)a39=(5)a9-(5=7)c9 -> c2≠7, UP=27
3) (6)g45=(6-1)h6 =(1)h1-(1=8)g1 -> g45≠8, UP=81
26/Apr/08 1:04 AM
   Gail  From Cockatoo Vic AU    Supporting Member
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Gday and belated greetings, sotir, Great to have you here with us.
I look forward to meeting you around the pages. Feel free to drop into mine anytime by clicking on the blue 'Check out my page' link, I love having visitors.
Have fun here in Sudokuland, we all do!
26/Apr/08 6:30 PM
Jeff  From Maryland
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A posted a response to you on the july 3rd tough page. Have a look please.
04/Jul/08 10:52 AM
Jeff  From Maryland
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sotir,
In your solution for the 16 aug tough you state UP 81 after the coloring step but I can only get to UP 45 after that step.
18/Aug/08 12:00 PM
Alfred  From Sydney    Supporting Member
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Hi Sotir, I posted a correction on the comments page.Thanks again.
04/Sep/08 5:51 PM
Alfred  From Sydney    Supporting Member
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Hi Sotir,in your solution today,I could only get to UP 48 in step 2 instead of UP 53.Did I miss something or did you miscount the UPs ? Your step 3 still seems to work with UP 48.PS: I would appreciate an answer to my last email. Thanks, Alfred.
17/Sep/08 1:14 PM
Valerie  From Central Texas
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Hi, Sotir -- I enjoy studying all the different strategies that can be used to solve each puzzle, but I'm not very savvy about proof coding. Is there a source online where I can go to learn your proof notation?
27/Sep/08 2:34 AM
ttt  From vietnam
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Hi sotir,
IMO, Kraken (or some my diagrams) is one of ways for presenting deductions as Steve presents his deductions by matrixes… Importance things is that you must be found SIS (strong inference sets) then you can present as Kraken, Steve’s matrixes or other ways.

For Kraken (or other techniques), you can come to :
Sudoku.com/boards/Advanced solving techniques/Sticky: Collection of solving techniques (page 1)
Then find post by Mike Barker : Kraken Blossom, Unit, Fish, ALS, AALS, UR, BUG-Lite
02/Oct/08 12:34 PM
   Wagdy Kamel  From Cairo Egypt
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Dear Sotir.
Wishing you a very,

" HAPPY EASTER " .
13/Apr/09 5:09 AM
MasonD  From Atlanta
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Please review 17 May. I ran out of UPs at 50 like Alfred, using SS.
17/May/09 5:23 PM
Dinos  From Nicosia, Cyprus
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Sotir hi
I have recenttly advanceed to trying to tackle tough sudokus and I have been working through the solutions from you, Steve and Alfred.

In your solution for Oct 2 in step 3 the reason you deduce that e9<>2 is because the AIC loops back to e1?

Regards
Dinos
10/Oct/09 11:27 PM
   Gail  From Cockatoo Vic AU    Supporting Member
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Wishing you and your family a very Merry Christmas



and a


24/Dec/09 7:31 PM
Brenda  From Queens, New York
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Sotir, on Jan 10th you said, "Just posted reworked solutios for tough: . . . . 3)Dec 23, 2008 SE=8.3 (5 AICs)". I went to that date and didn't see it. Where did you post this?

I'd like to study your solution to see what I didn't see then.

Thanks,
Brenda
16/Jan/11 7:33 AM
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