Notice: You have been identified as a bot, so no internal UID will be assigned to you. If you are a real person messing with your useragent, you should change it back to something normal.
Mark the spot with x in Morse code, that is ▬ ● ● ▬.
A mnemonic is to imagine x with a dot at the top of each of its diagonal bars. The bars separate and fall to horizontal orientation with the dotted tops landing in between, forming ▬ ● ● ▬.