Crossword Genius

Riding to hounds is flourishing (2,3,4)

Ross

I believe the answer is:

in the pink

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(Other definitions for in the pink that I've seen before include "Enjoying perfect health" , "Thirteen [IN GOOD NICK]" , "suited for hunting?" , "location right here!" , "How Britain's colonies appeared on maps" .)

I've seen this clue in The Times.
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