Contest of strength (3-2-3)

I think it could be either:

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3-2-3

3,9

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 Telegraph, The Guardian and The Times.

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