local position = {
	lo = 20,
	hi = 40
}

local start_point = {
	x = 0,
	y = 0,
	z = 0
}

for i,v in ipairs(arg) do
	if (i == 1) then
		start_point.x = v
	end
	if (i == 2) then
		start_point.y = v
	end
	if (i == 3) then
		start_point.z = v
	end
end

print(start_point);

print(position.hi);
local lowest_level = 8;
local highest_level = 22;