Procedure
- Connect Input-0 to Pin-1 (Input & Output) of ICBase-1.
- Connect Pin-19 (Input & Output) of ICBase-2 to Pin-3 (Input & Output) of ICBase-1.
- Connect Pin-2 (Input & Output) of ICBase-3 to Pin-19 (Input & Output) of ICBase-2.
- Connect Pin-8 (Input & Output) of ICBase-3 to Pin-19 (Input & Output) of ICBase-2.