Thermo-Sudoku by Thomas Snyder
or solve online (using our beta test of Penpa-Edit tools)
Theme: Jack-O’-Lantern
Author/Opus: This is the 202nd puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard Thermo-Sudoku rules.
Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 4th row from left to right.
Time Standards (highlight to view): Grandmaster = 10:00, Master = 25:00, Expert = 50:00
Solution: PDF; a solution video is available here.
Note: Follow this link for more Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on. More Thermo-Sudoku puzzles can be found in The Art of Sudoku 2.
16:16.I am surprised to see the GM and master times a bit on the higher side.This 16:16 despite breaking the puzzle in the beginning of the solve after squandering a great and pacy start.
A lovely,fun filled and enjoyable sudoku!
Well-planned. I think Tom likes everyone spending an average of an hour on these. Worked to find a very subtle break-in before writing the first digits, finally got a suitable deduction that placed several of one digit (I’ll tell youit was either 1 or 9), and then got to continue wrestling until the answer keys were done. Probably the hardest smileyface yet.
I find that the solution is not unique. There are 2 of them possible. Can’t find what did I miss…
Help?
There is just the one solution, but without sharing your partial solutions it is very hard to tell you what you have wrong.
I’m sure there is only one. That’s why I’m puzzled…
Can I attach a file to my comment here? I can scan the almost solved one…
You can link to a file hosted elsewhere but not upload your own image.
Feel free to also just type out your suspected grid with * for unsure cells. I can hide the numbers behind a white color tag so it won’t be seen as a spoiler.
Here it is:
http://naama.avramzon.net/wp-content/uploads/2014/12/thermo-sudoku.jpg
Thanks!
Check your values in row 7 column 8 and row 8 column 7. You’re repeating a 6 and 7 in those rows.
Oh dear! I did!
Thanks!
I guess it means starting over for the third time… 🙂 (I’m not giving up).