Board Thread:General Discussion/@comment-34343471-20190505211932/@comment-37437697-20190506014535

That is a good  question Opal.. I hate to be the barer of bad news but if you were to use  an eye glass for this  puzzle  you  would use EIGHT  because after each  plain piece is erased a  "broken" one is  underneith it!

I have failed this one more times than I want to think about, and with using tools.