Figure 6.
Configuration of paths: (a) configuration #A (#A1, #A2 and #A3); (b) configuration #B (#B1, #B2 and #B3).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.