while true do

sleep(0.3)

if rs.getInput("bottom") == true then
os.reboot()
end

turtle.select(16)
if turtle.compareDown() == true then
turtle.turnLeft()
end

turtle.select(16)
if turtle.compareDown() == true then
turtle.turnRight()
end

turtle.select(15)
if turtle.compareDown() == true then
    turtle.turnLeft()
    --sleep(2)
    turtle.select(13)
    if turtle.compare() == true then
            turtle.select(4)
            turtle.dig()
            turtle.select(3)
            turtle.digUp()
            turtle.up()

    while turtle.detect() do
        turtle.select(4)
        turtle.dig()
        turtle.select(3)
        turtle.digUp()
        turtle.up()
    end

    while not turtle.detect() and not turtle.detectDown() do
        turtle.down()
    end

    turtle.select(3)
    turtle.place()
    turtle.turnRight()
    turtle.forward()

    end
end


turtle.select(14)
if turtle.compareDown() == true then
turtle.turnLeft()
turtle.digUp()
sleep(0.5)
turtle.select(1)
turtle.placeUp()
sleep(0.5)
turtle.select(2)
turtle.place()

    j = 4
    while j <= 12 do
        turtle.select(j)
        turtle.dropUp(64)
    j = j + 1
    end

turtle.select(3)
turtle.drop(64)
sleep(0.5)
turtle.select(3)
turtle.suck(64)
sleep(0.5)
turtle.select(1)
turtle.digUp()
sleep(0.5)
turtle.select(2)
turtle.dig()

    if turtle.getFuelLevel() <= 400 then
        sleep(15)
    end

end

turtle.forward()

end