Contest of strength (3-2-3)

I believe the answer is:

tug-of-war

'contest of strength' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for tug-of-war that I've seen before include "Pulling contest" , "Sporting test of strength" , "Contest of strength" .)

I've seen this clue in The Times, The Telegraph and The Guardian.

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