You Complete Me
March 14, 2012 5:55 AM Subscribe
What is the minimal number of clues necessary to create a uniquely solvable Sudoku puzzle? It turns out to be 17
, though it took fancy symmetry arguments and nearly a year of computer time to prove it. But no need to read the paper when you can watch the video.
posted by Obscure Reference (54 comments total)
4 users marked this as a favorite