0 0 0 a
0 1/2 1/4 a
0 0 1/2 b
0 1/2 3/4 b
0 1/4 1/8 c
1/2 1/4 5/8 c
3/4 1/2 3/8 c
3/4 0 7/8 c
0 1/4 5/8 d
1/2 1/4 1/8 d
3/4 1/2 7/8 d
3/4 0 3/8 d
0 0 z e
0 1/2 z+1/4 e
0 1/2 -z+1/4 e
0 0 -z e
x y z f
-x+1/2 -y+1/2 z+1/2 f
-y x+1/2 z+1/4 f
y+1/2 -x z+3/4 f
-x -y+1/2 -z+1/4 f
x+1/2 y -z+3/4 f
y -x -z f
-y+1/2 x+1/2 -z+1/2 f