Mining endless

while( true )
do
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.up()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.digDown()
    turtle.down()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.up()
    turtle.turnRight()
end