>>472
Wikipediaで十分ですよ？初歩的なことだけでキチガイの図は否定できますんで。

https://www.google.com/url?sa=t&;rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiwo5P82dXwAhWTP5QKHRWXAnkQFjACegQIBhAD&url=https%3A%2F%2Fja.wikipedia.org%2Fwiki%2F%25E5%2594%25AF%25E8%25AD%2598&usg=AOvVaw0E3BnPRkwD28spFGXOnZmA