Look at this screenshot: https://steamcommunity.com/sharedfiles/filedetails/?id=2579804889 Look at the third column marked "2 3". Look at the twelfth row marked "2 2" (the one with the X in it) and the thirteenth row marked "3 3". The third column is "2 3" and the thirteenth row is correct (which it indicates that it is). Since the third column contains a 2 followed by a three AND three can't follow a two if the bottom square is part of the two, this MUST be the three. However, the X square indicates...