KT44 Mystery - Over Peover Wonder Mystery Cache

This cache was originally placed for the KT44 event. The monthly KT events have become a great success since they were first launched back in 2011. Take a look back at those earlier days to find the final coordinates for this mystery cache hide. It's a short stroll away from the published coordinates.

Puzzle

This cache is hidden at N53 15.ABC W002 19.DEF where:

ABC = the last 3 digits of the North coordinates for the first event, GC2WGAY KhoomThropp's Boozy Social 1, Disley

DEF = the last 3 digits of the West coordinates for the second event, GC2Z70W KhoomThropp 2, A Boozy Social, Higher Poynton