Also, it's not just about the angles. It's about the number of connections between vertices too. There just aren't any other solutions. To convince yourself, h

Also, it's not just about the angles. It's about the number of connections between vertices too. There just aren't any other solutions. To convince yourself, here's a fun game you can try with pencil and paper: http://ferkeltongs.livejournal.com/28364.html http://ferkeltongs.livejournal.com/28364.html (disclosure: that's my blog)