Sieve turtle

p = peripheral.wrap("top")

function getOrientation()
loc1 = vector.new(gps.locate(2, false))
if not turtle.forward() then
    for j=1,6 do
            if not turtle.forward() then
                    turtle.dig()
         else break end
    end
end
loc2 = vector.new(gps.locate(2, false))
heading = loc2 - loc1
return ((heading.x + math.abs(heading.x) * 2) + (heading.z + math.abs(heading.z) * 3))
end

print(getOrientation())