BASIC KNOWLEDGE OF THE 3X3X3 PUZZLE CUBE Types and features of blocks Floor In order to indicate the location of the cell, layers of 1st floor, 2nd floor, and 3rd floor were defined as shown in the figure. 3x3x3 puzzle cube consists of 3 types of blocks : Center Block, Edge Block, and Corner Block. The six center blocks are immobilized. The 12 edge blocks have two cells each, and when moved, only the edge blocks will change their position.
