Sat Sep  3 15:29:00 2022

knight_graph():
  Python version: 3.6.9
  Plot a graph associated with a puzzle from "The 11th Hour"
  involving interchanging 2 black and 2 white knights.

// knight_graph
graph {
	1 [label=A]
	2 [label=B]
	3 [label=C]
	4 [label=D]
	5 [label=E]
	6 [label=F]
	7 [label=G]
	8 [label=H]
	9 [label=I]
	10 [label=J]
	1 -- 5
	2 -- 6
	2 -- 7
	2 -- 9
	3 -- 8
	3 -- 10
	4 -- 10
	5 -- 7
	6 -- 8
}


  Graphics saved as "knight_graph.dot.png"

knight_graph():
  Normal end of execution.
Sat Sep  3 15:29:00 2022