Taking apart clearblue digital

Ok so I KNOW this is not a reliable way to tell preg since clearblue digital tests always shows lines regardless. However, my test's battery was dead (I didn't even notice until after I peed on it). I decided for fun I would take it apart since it didn't give me a result anyways. I have two pretty dark lines on the low sensitivity and a dark line on the high sensitivity strip (conception indicator). I'm just curious what they look like when negative vs positive. Any help? Again I am not using this to determine positive or negative, I plan on retesting with a working test in the am. I'm