This turned out to be one of the hardest Springbok puzzles we’ve done. We started it the weekend of January 26, left it for a week, and finished it the next weekend. It’s one of those good old Springboks that holds together when you pick it up.
Hard puzzle
Published by deanb
male born 1944 mathematician by training, software engineer by profession; retired since Labor Day 2013 birder, cyclist, unicyclist, eraser carver, knitter when possible View more posts