junikle

    turtle.select(1)
    turtle.refuel()

    local int numSteps = 0
    local remainder = turtle.getFuelLevel() % 2

    while ((turtle.getFuelLevel() - remainder) > numSteps) do
            turtle.digDown()
            turtle.digUp()
            moveForward()
            numSteps = numSteps + 1
    end

    turtle.turnRight()
    turtle.turnRight()

    turtle.digDown()
    turtle.digUp()

    while (numSteps > 0) do
            moveForward()
            numSteps = numSteps - 1
    end

    local function moveForward()
            while not turtle.forward() do
                    --# check if a block was the cause
                    if turtle.detect() then
                            if not turtle.dig() then
                                    print("An unbreakable block has been encountered, bedrock is that you?")
                            elseif turtle.detect() then
                                    print("Sand/Gravel is falling!")
                                    sleep(0.8)
                            else
                                    print("A block was in my way")
                            end
                    --# check if fuel was the cause
                    elseif turtle.getFuelLevel() ~= "unlimited" and turtle.getFuelLevel() == 0 then
                            print("I am out of fuel... HELP!")
                    elseif turtle.attack() then
                            print("Get out of my way mob/player!")
                    end
            end
    end