ref: edccfcebb28882681a7566c47f5c1f866a917033
parent: 0becfe42bb16706100f6db62fb0276112cad51ec
author: Dmitry Kovalev <dkovalev@google.com>
date: Tue May 27 14:19:19 EDT 2014
Using 2 instead of 3 elements for last_q array. Change-Id: I2c6950e7d79fc89c6f97e6dcf47317ef66c453a5