Procedure
- Connect Pin-17 (Input & Output) of ICBase-1 to Output-8.
- Connect Pin-18 (Input & Output) of ICBase-1 to Output-9.
- Connect Pin-19 (Input & Output) of ICBase-1 to Output-10.
- Connect Pin-20 (Input & Output) of ICBase-1 to Output-11.
- Connect Input-7 to Pin-4 (Input & Output) of ICBase-2.
- Connect Input-0 to Pin-20 (Input & Output) of ICBase-3.
- Connect Input-1 to Pin-19 (Input & Output) of ICBase-3.
- Connect Input-2 to Pin-18 (Input & Output) of ICBase-3.
- Connect Input-3 to Pin-4 (Input & Output) of ICBase-3.