The CME site states there was a total volume of 225,371 for the entire 11:03 a.m. Central timeframe. But Speculatus' data seems more fine-tuned. Spec: What is the source of your data, if you don't mind sharing?
rithmic prints are aggregated by price on my side + some changes to make the tape more readable PS: the tape posted by tmarket was for 12:03 CST...