I haven't attempted to solve the puzz;e yet but I am almost finished with the clues. I don't get the reference to Paper for D4 and in I3 Ifound two references to "wheels on my wagon" one with Burt Ba ...
I've been playing with the super hard puzzles at the brainbashers.com website and found this an interesting puzzle. WIth all the 9's present after several reductions, the x wing was a bit difficult t ...
I have been able to solve even the very hard puzzles by simply identifying all possible candidates and then eliminating values that are not probable by identifying singles, doubles triples. Only occa ...