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-order curve. In mathematical analysis and computer science, Z-order, Lebesgue curve, Morton order or Morton code is a function which maps multidimensional data to one dimension while preserving locality of the data points. It was introduced in 1966 by Guy Macdonald Morton.