Procedure
- Connect Pin-3 (Input & Output) of ICBase-1 to Input-15.
- Connect Pin-13 (Input & Output) of ICBase-1 to Input-13.
- Connect Pin-6 (Input & Output) of ICBase-3 to Input-5.
- Connect Pin-8 (Input & Output) of ICBase-4 to Input-0.
- Connect Pin-1 (Input & Output) of ICBase-3 to Input-1.
- Connect Pin-4 (Input & Output) of ICBase-2 to Output-7.
- Connect Output-4 to Pin-4 (Input & Output) of ICBase-2.
- Connect Pin-2 (Input & Output) of ICBase-1 to Output-12.
- Connect Output-8 to Pin-2 (Input & Output) of ICBase-1.
- Connect Pin-20 (Input & Output) of ICBase-1 to Output-12.
- Connect Pin-6 (Input & Output) of ICBase-3 to Output-1.
- Connect Pin-18 (Input & Output) of ICBase-3 to Output-3.