Reply To: The Riddle Thread…. Home › Forums › Decaffeinated Coffee › The Riddle Thread…. › Reply To: The Riddle Thread…. June 22, 2011 2:46 pm at 2:46 pm #1069720 am yisrael chaiParticipant Icot It seems that several digits fit the bill, so how are you isolating to one set of 2 digits?