What is this?
Here's a quick and dirty solution to the following task: Arrange digits 1,...,9 so that the first two form a number divisible by 2, the first three form a number divisible by 3, etc..
See Joe Riel's blog for more information.
3 hours 21 min ago
3 hours 40 min ago
4 hours 51 min ago
7 hours 56 min ago
8 hours 3 min ago
13 hours 34 min ago
20 hours 53 min ago
21 hours 17 min ago
21 hours 27 min ago
23 hours 29 min ago