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.287
This is a Group Sum Sudoku from the Indian Sudoku Championship - 2010.
How long did you take to solve it?
ReplyDeletePost your timings here.
I solved it in 12m 9s.
ReplyDeleteThe opening of the puzzle is in the centre box and it has some brilliant logic!