Originally Posted by xxxdesign-net

I did an evil one in couple of hours.. swedguy says he did it in 12 minutes... he msut pratice alot and must have all the techniques.. I think there are sites giving out the techniques...

One I can tell you is let say you have in a square(3x3) 2 possibilties for the number 5.. if those possibilities are on the same line.. let say horizontaly.. than you know its impossible that the number 5 be anywhere else on the "big" horizontal line .. So you can work by elimination..