Here is the time and sales for ESZ11 for the 13:30 minute:
ES,2011-12,12/15/2011,13:30:07,121700.0,3
ES,2011-12,12/15/2011,13:30:10,121700.0,1
ES,2011-12,12/15/2011,13:30:16,121750.0,1
ES,2011-12,12/15/2011,13:30:20,121750.0,1
ES,2011-12,12/15/2011,13:30:34,121725.0,1...