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.47
This is an Extra Region Sudoku from the Bulgarian Sudoku Championship - 2007.
How long did you take to solve it?
ReplyDeletePost your timings here.
I solved it in 9m 5s.
ReplyDeleteIts a very interesting puzzle. I enjoyed solving this one!
cud do in 10 mins
ReplyDeletesolved in 9min 20sec
ReplyDeleteI solved it in 13min 42sec :|
ReplyDeleteGot stuck in the middle...was quite interesting.
5'57". No big difficulty.
ReplyDelete