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.143
This is an External Sudoku from the World Sudoku Championship - 2009.
2 comments:
How long did you take to solve it?
Post your timings here.
I solved it in 7m 27s.
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