branch.lua

function ref()
    if (turtle.getFuelLevel()<100) then
    turtle.select(2)
    while (turtle.refuel()==false) do
        os.sleep(30)
        print("Please place coal in slot 2")
    end
    end
end

function tunn(a)
    for i=1, a do
        turtle.dig()
        while (turtle.forward()==false) do
            turtle.dig()
        end
        turtle.digUp()
        turtle.digDown()
        print(turtle.getFuelLevel())
        ref()
    end
end

function bran(a)
    for i=1, a do
    tunn(32)
    turtle.turnLeft()
    tunn(1)
    turtle.turnLeft()
    tunn(32)
    turtle.turnRight()
    tunn(1)
    turtle.turnRight()
    end
end

bran(16)