Surprised they didn’t cover hexagonal ring data structures. Here[0] is a visualization along with the calculations needed to find nearest neighbors. [0] https:

Surprised they didn’t cover hexagonal ring data structures. Here[0] is a visualization along with the calculations needed to find nearest neighbors. [0] https://www.flickr.com/photos/jeremyjohnstone/3979747216/ https://www.flickr.com/photos/jeremyjohnstone/3979747216/