Problem with Special Areas

[Regladdo]

Look guys, i choose special arena and my windbot still coming on marked place.. What i shoul to do when i want 100% avoidance of this square..
Where is problem..?

http://i.imgur.com/6FzGh7t.png

[Ethanethan]

The best source of energy might actually be turbulence the windbot would need high wind velocity as well as variability in intensity in order to produce its own energy from the complicated environment.