function mineLayer(x, y, z)
    if z < 1 then
        return
    else
        -- Dig down
        if not turtle.detectDown() then
            turtle.digDown()
        end
        turtle.down()

        -- Call the function to mine the next layer
        mineLayer(x, y, z - 1)

        -- Dig up and return to original position
        turtle.up()
    end
end

function mineStrip(length)
    for i = 1, length do
        if not turtle.detect() then
            turtle.dig()
        end
        turtle.forward()
    end
end

function mineField(width, length, depth)
    for w = 1, width do
        -- Mine a strip of the specified length
        mineStrip(length)

        -- Position the turtle to start the next strip
        if w < width then
            if w % 2 == 1 then
                turtle.turnRight()
                if not turtle.detect() then
                    turtle.dig()
                end
                turtle.forward()
                turtle.turnRight()
            else
                turtle.turnLeft()
                if not turtle.detect() then
                    turtle.dig()
                end
                turtle.forward()
                turtle.turnLeft()
            end
        end
    end

    -- Recursive call to mine the next layer down
    mineLayer(width, length, depth)
end

-- Start the mining operation
mineField(6, 1, 6)