Turtle Bomber Bot

turtle.select(3)
turtle.refuel(64)
turtle.select(1)

function place()
    local length = 64

    for i = 1, length, 1 do
        turtle.select(2)
        turtle.placeDown()
        turtle.forward()
    end
end

function turn()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.up()
end

function fire()
    local length = 64

    for i = 1, length, 1 do
        turtle.select(1)
        turtle.placeDown()
        turtle.forward()
    end
end

place()
turn()
fire()
turtle.placeDown()