The 9pm 30 Rock and Up All Night got adjusted up a tenth. But that still puts them below Community in a less competitive time, and makes the 9pm airing of 30 Rock slightly higher than the 8:30pm airing of 30 Rock, meaning it did better without the same competition that Community had.
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"One toot on this whistle will take you to a far away land."
-Toad, SMB3