Cache is not at the posted coordinates. You must solve the puzzle below and then you will find the cache at the coordinates in the puzzle:
Like many cachers,
Realizing how to solve a puzzle is exciting.
There are many ideas one can get,
Putting together ideas and getting the coords.
Mgany tries into certitude,
Can this one be right?
Professional cachers seem to do it so easy,
Terrain 1 or 5, it is now time to find!

You can validate your puzzle solution with certitude.