A quick (?) three-stage multi.
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Once you arrive at Stage 1 (posted coordinates), you will find a sign that indicates it will cost you a lot of money if you do something bad. In the bottom right corner of the sign, there is a by-law cited with a number formatted as AB-CD. To find Stage 2, project a waypoint from the Stage 1 coordinates that is a distance of [(2 x AB) + CD] meters, and a bearing of [(2 x ABC) - D²] degrees true north. As a check, the last digit of the north and west decimal places should be 3 and 2, respectively.
Stage 2 may take you a few minutes to spot. It contains the final coordinates for the cache.
The final should not be difficult to locate, but may be a bit of surprise once you do! If you apply some common sense, you will realize that there is nothing to worry about.