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Old 2017-06-28, 14:43   #1
MattcAnderson's Avatar
"Matthew Anderson"
Dec 2010
Oregon, USA

32×131 Posts
Default a partial sudoku puzzle

Hi MersenneForum,

I picked up a Sudoku book today and tried again at a puzzle that had stumped me before. I was able to put in the number 8 near the center and then I was again stumped.

I know there are some advanced Sudoku techniques out there, on the internet. Can anyone tell me a next step ( with logic) for the attached puzzle?

Also the possibility of a machine solver has been considered. This is from the "New York Post Bloom Sudoku Book" (fiendish puzzles c 2013). I am stuck on page 31.

I do not want to 'reverse engineer' the puzzle by looking in the answer section.

Attached Files
File Type: pdf partial sudoku puzzle.pdf (198.3 KB, 155 views)
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