Proceed through the mission until you leave the air vents, and a cutscene will begin. Hold Select to skip the cutscene. Stealth kill four enemies, and then disposed of the final enemy as desired. After defeating the last enemy, pause the game.
ZZ-CT is a 3x3 method proposed by Chris Tran. It is a variant of the ZZ Method with a unique 2 look LSLL, divided into TSLE and TTLL. TSLE inserts the last edge whilst orienting all corners.
Z Score Calculator is an online statistics tool for data analysis programmed to compare the relative standings of items from distributions with different means and/or different standard deviations.