This blog deals with grid-based puzzles and the various types of logic and ideas used to solve them. It also contains notices, information and results about various puzzle and sudoku championships across the globe.
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Puzzle No.41
This is an Extra Region Sudoku from the Bulgarian Sudoku Championship - 2007.
4 comments:
How long did you take to solve it?
Post your timings here.
I solved it in 5m 58s.
5 min 35 sec
I did it in 4'32".
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