wither.lua

while true do
    turtle.select(1)
    while turtle.getFuelLevel()<=500 do
        if turtle.suckUp(1)==true then
            turtle.refuel(1)
        else
            sleep(2)
        end
    end
    turtle.select(2)
    while turtle.getItemCount(2)<=4 do
        turtle.suckUp(1)
    end
    turtle.select(3)
    while turtle.getItemCount(3)<=5 do
        turtle.suckUp(1)
    end
    turtle.turnRight(2)
    turtle.forward(3)
    turtle.turnLeft()
    turtle.forward(3)
    turtle.turnRight()
    turtle.place()
    turtle.up()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()

    for i=1,2 do
        turtle.place()
        turtle.up()
        turtle.select(2)
        turtle.place()
        turtle.select(3)
        turtle.down()
        turtle.turnRight()
        turtle.forward()
        turtle.turnLeft()
    end
    turtle.place()
    turtle.up()
    turtle.select(2)
    turtle.place()
    turtle.down(2)
    turtle.turnRight()
    turtle.forward(2)
    turtle.turnRight()
    turtle.forward(3)
end