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

local start_point = {
	--[[  ]]
}

local x = "XYZ";
for i,v in ipairs(arg) do
	print(x[i],v);
end

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

--[[ turtle.refuel();
turtle.select() ]]