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.268
This is an XV Sudoku from the Indian Sudoku Championship - 2010.
How long did you take to solve it?
ReplyDeletePost your timings here.
I solved it in 5m 21s.
ReplyDeleteI missed the opening of '6' in the centre box :|