# Test case 2 for arbitrary arrangement. See https://cgal.geometryfactory.com/CGAL/Members/wiki/Visibility/TestCases
16
2 2
2 0
5 1
5 0
8 1
8 0
3 -1
3 -3
6 -2
6 -3
7 0
7 -2
-10 10
10 10
10 -10
-10 -10
10
0 1
2 3
4 5
6 7
8 9
10 11
12 13
13 14
14 15
15 12
