Did you notice that a Soduko grid is made up by three permutating pairs in each main row and each main column section of the grid ? No ? Well, it is. Every time, even. This hinsight is of great value when you’re working your way to a solution of a Soduko puzzle. Try it on ! I have explained the whole thing on the page, just follow the link in the side menu, or below. 

So, take a look at my permanent page with my personal Soduko tips here. I do hope that my tips and tricks may help you to sqeeze the air out of those nasty Soduko puzzles !