# Triangular Di-Pyramid
# Data: George W. Hart, 1997.  george@li.net
5 6 9
-0.0000000000000  0.0000000000000 -0.9999999999999
 0.8660252964999  0.0000001611338  0.4999999610786
 0.0000001256984 -0.5773502454475  0.0000000584430
-0.8660253529233 -0.0000001376256  0.5000000063058
-0.0000000692751  0.5773502219392 -0.0000000258275
3 1 0 2
3 0 3 2
3 1 4 0
3 2 3 1
3 4 3 0
3 3 4 1
0 1
0 2
0 3
0 4
1 2
1 3
1 4
2 3
3 4