Procedure
- Connect Pin-1 (Input & Output) of ICBase-1 to Input-15.
- Connect Pin-2 (Input & Output) of ICBase-1 to Input-14.
- Connect Pin-1 (Input & Output) of ICBase-2 to Input-15.
- Connect Pin-2 (Input & Output) of ICBase-2 to Input-13.
- Connect Pin-2 (Input & Output) of ICBase-3 to Input-12.
- Connect Pin-1 (Input & Output) of ICBase-3 to Input-15.