YZ XZ
(0,+1,-1) -z (+1,0,-1)
+y +x
YX (-1,+1,0) o (+1,-1,0) XY
-x -y
(-1,0,+1) +z (0,-1,+1)
ZX ZY
YZ XZ
(0,+1,-1) -z (+1,0,-1)
+y +x
YX (-1,+1,0) o (+1,-1,0) XY
-x -y
(-1,0,+1) +z (0,-1,+1)
ZX ZY