Question 13 - Stage 1

I have a stopwatch that records time in the form \(HH:MM:SS\).

It resets to \(00:00:00\) after \(100\) hours.

During this \(100\) hour interval, how many times will the display use precisely two different digits (like \(00:00:01\) and \(99:59:59\) )?

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