> I also get annoyed at restaurants that give children 4 crayons As long as they're different colors, four is all you need. https://en.m.wikipedia.org/wiki/Fo

> I also get annoyed at restaurants that give children 4 crayons As long as they're different colors, four is all you need. https://en.m.wikipedia.org/wiki/Four_color_theorem https://en.m.wikipedia.org/wiki/Four_color_theorem