# Test case 5 for arbitrary arrangement. See https://cgal.geometryfactory.com/CGAL/Members/wiki/Visibility/TestCases
17
5 2
7 2
2 1
1 0
2 0
3 0
5 0
6 0
7 0
1 -2
2 -2
3 -2
4 -2
-10 10
10 10
10 -10
-10 -10
15
0 7
1 7
2 3
4 5
6 7
7 8
9 4
10 4
11 4
12 5
12 6
13 14
14 15
15 16
16 13
