The Hardest Sudoku Puzzle Ever
Thursday, November 5th, 2009A Finnish mathematician claims that he has created the world’s hardest sudoku puzzle, a brain-teaser which required three months’ work and a billion combinations to produce. “I called the puzzle AI Escargot, because it looks like a snail. Solving it is like an intellectual culinary pleasure. AI are my initials,” Inkala added. According to a [...]