gps

local x = 0
local y = 0
local z = 0
local dirNS = 1 --  -1:nord 1: sud
local dirEO = 1	--  -1:ouest
function goto(posX, posY, posZ)
	while true do
		pos = read()
		x = srting.sub(pos, 0, 2)
		y = srting.sub(pos, 2, 4)
		z = srting.sub(pos, 4, 6)

		while posX!=x and y!=posY and posZ!= do
			if posX!=x then


		end
	end


end