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.
Puzzle No.198
This is a Classic Sudoku from the World Sudoku Championship - 2009.
How long did you take to solve it?
ReplyDeletePost your timings here.
I solved it in 7m 5s.
ReplyDeleteGuesswork...