[ahmedtd]

Not when the counter overflows back to 0. If it's a 3 bit counter, 0 is A again, not C.

[manigandham]

The comment says a 32-bit signed int. Where is the 3-bit assumption coming from?

[iforgotpassword]

The comment starts with that assumption for the sake of a concise example. do you expect them to write the whole sequence out using a 32bit counter? :-D