why don't you print out the paper and paste it onto thAT IDIOT's door, along the corridor. They may not know who is it? They are 11 units below, right?
I think this is not a good way, they may not know who is is but " that Idiot" may do it even often to take action again the 11 units below ( we are alway in the loser part because we stay below him / her ). Why don't gather 11 units owner try to talk nicely to that "IDIOT", if not work then take whatever action you all want. *** I ever got it at my old house at bedok 4th storey *****
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limweech: replaced unit number with *