The Puzzle
This cache involves you having to complete the maze down the
bottom, the way it works is you start at the middle and find you
way out of the maze and every number that you draw a path over you
right down in that same order, for example if my puzzle looked like
this:

then you drew a line over 1 then a 2, 3, 4 in that order then
that means that the answer is 1234.
The Southing
To work out the Southing complete this puzzle and then put those
numbers into these numbers: 37 _ _._ _ _
The Easting
To work out the Easting complete this puzzle and then put those
numbers into these numbers: 145 _ _._ _ _
The cache
The cache itself is a 400ml clip top sistema container, not
camouflaged.