2 ms·
see http://xkcd.com/356/ http://xkcd.com/356/
by th0ma5 17y ago
see http://xkcd.com/356/ http://xkcd.com/356/
- pkrumins 17y agoRandall once explained in a talk at Google how he got obsessed with this puzzle to a degree that he saw these patterns of infinite grids on toilet tiles. ;)