2013 Q8 Functionality of axle counter system

[PJW]

Doing some end of year tidying up and posting some mod 5 attempts from one of my candidates this year on which I made some comments before sitting down to discuss further with them.  Hence they don't go into detail in those areas which were best dealt with face-to-face, but are still potentially useful for others to see the candidate's approach and the areas where I felt it could be improved.  She is happy that I make these available in the hope that others will find useful.

[steak]

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Please review and comment.

This was my second attempt, first attempt was miles past allocated time (25/30 mins)
This attempt was just about exactly 25 minutes.....hand was aching when finished though.

Would welcome reviews  to see where I could streamline it/improve it/correctly answer it.

Many thanks