turtlemover

while true do
    turtle.select(15)
    if turtle.compareUp() then
        turtle.select(4)
        turtle.drop()
    end
    turtle.select(16)
    if turtle.compareUp() then
        turtle.select(4)
        turtle.suck()
    end
    turtle.select(13)
    if turtle.compareDown() then
        turtle.turnLeft()
    end
    turtle.select(14)
    if turtle.compareDown() then
        turtle.turnRight()
    end
    if turtle.getFuelLevel() ~= "unlimited" and turtle.getFuelLevel() < 1 then
        turtle.select(1)
        turtle.refuel(1)
    end
    if turtle.detect() == false then
        while turtle.forward() == false do
        end
    end
end