local j = 0

for i=0, 2 do

    turtle.dig()
    turtle.forward()
	turtle.digUp()
	turtle.up()
	turtle.digUp()
	turtle.turnRight()
	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.digDown()
	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.digDown()
	turtle.dig()
	turtle.forward()
	turtle.digUp()
	turtle.digDown()
	turtle.down()
	turtle.turnLeft()
	turtle.turnLeft()
	turtle.forward()
	turtle.forward()
	turtle.forward()
	turtle.turnRight()

    if turtle.getFuelLevel < 2 then

        j = j+1
        if j > 14 then
            j = 1
        end

        turtle.select(j)
        turtle.refuel(1)

    end

end