This is one of nine puzzles to guide you back to your car once you’ve walked the Greensand Way
NO CACHES ARE AT THE POSTED CO-ORDINATES. DO NOT GO THERE – instead – solve this simple little puzzle

3 (three) is a number, numeral, and glyph. It is the natural number following 2 and preceding 4, and is the smallest odd prime number. It has religious or cultural significance in many societies. It was the thunderbird flown by Alan Tracey and the Converter-Car in Wacky Races driven by Professor Pat Pending.
You will find this cache at
North 51 (C-C) (C*3) . (C+1) (C-1) (C*2)
East 000 (C+1) (C*3) . (C-C) (C*3) (C*3)
This cache is one of a linear series of nine. You will need a map to plan your route from one cache to the next, but the paths are quite obvious