B1 N1
1.0
2.508995 0.000000 0.000000
-1.254498 2.172854 0.000000
0.000000 0.000000 20.000000
B N
1 1
direct
0.000000 0.000000 0.500000 B
0.333333 0.666667 0.500000 N
