5
1
10 10 16
2
10 10 20
10 -10 20
3
10 10 20
10 -10 20
-10 10 120
4
90 -100 160
-80 -80 150
90 80 150
80 80 245
5
0 0 4
3 0 5
-3 0 5
0 3 5
0 -3 5

16.000000
17.320508
17.320508
94.187909
4.000000