Don't lose the plot Mystery Cache

The cache is NOT at the published coordinates.

This is another puzzle cache based on maths. To find this cache you need to solve the puzzle below.
You might need squared paper to solve this puzzle.

The cache can be found at N54 50.ABC W001 30.DEF and can hold small items/trackables

A = (3,8) (8,8) (8,5) (3,5) (3,2) (8,2)

B = (3,8) (3,5) (8,5) (8,8) (8,2)

C = (8,8) (3,8) (3,2) (8,2) (8,5) (3,5) - B

D = (8,8) (3,8) (3,5) (8,5) (8,2) (3,2) - B

E = (8,8) (3,8) (3,5) (8,5) (8,8) (8,2) - A

F = (3,8) (8,8) (8,2) - D

Stealth may be required when retrieving this cache.

You can validate your puzzle solution with certitude.