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