Reference the Thirteen Postures: five directions; advance, retreat, move left, move right and hold center with eight hand transformations; peng (pung) ward off, Tsai (cai) pull back, ji (gee) press, lu (lue) roll back, an (on) push, Kao (cow) shoulder stroke, zhou (joe) elbow stroke, and Lien (lee air) split or separate. I refer to the thirteen postures as the thirteen energies. Here I execute a left and right side practice of the advance step and eight hand transformations or eight energies.