% About 85s rows = 5; cols = 5; puzzle = [| 0, 1, 0, 3, 0 | 0, 0, 0, 4, 3 | 0, 2, 1, 0, 2 | 0, 0, 0, 1, 0 | 1, 3, 0, 2, 1 |];