-- SAMPLE 1 --
5
 0  0 5
 0 10 5
10  0 5
10 10 5
 5  5 5
-- SAMPLE 2 --
6
 0  0 10
10  0 10
20  0 10
30  0 10
40  0 10
50  0 10
-- SAMPLE 3 --
6
 0  0 12.5
10  0 10.3
20  0 12.5
30  0 10.3
40  0 11.1012295764
50  0 10.3
