uf0dxi vf0d wf0dx xf0dxi yf0d

j60d k60dx l60dxi m60d n60dx

8w1dx 9w1dxi ax1d bx1dx cx1dxi

xn2dxi yn2d zn2dx 0n2dxi 1n2d

me3d ne3dx oe3dxi pe3d qe3dx