oldmathtchr wrote:
I've been seeing this for several weeks. Every day "chip" solves all the puzzles in about 5 seconds. I thought it was something you had put in to check puzzles.
Today his automatic solver failed on the difficult 7x7 though, submitting a solution with only the (given) 5 and 3 filled in,
and a number over 2 milliard (billion for those in the US) as a solution for every other cell..