Don't expect a great map but rather an exercise (not for brainless).
RULES: simple maze with impassable and ... hmmm ... INVISIBLE fences.
WT<15' (10'?)
Think as fast as you can.
1) Thanks to Alri to show that it's not so difficult, even at first try.
2) Sorry for a CF bug which makes you pass through a 2D-barrier (I checked that it was there).