# Test case 2 for arbitrary arrangement. See https://cgal.geometryfactory.com/CGAL/Members/wiki/Visibility/TestCases
8
-1 4
3 0
6 4
6 0
5 0
5 -4
1 0
-1 -4
8
0 1
1 2
2 3
3 4
4 5
5 6
6 7
7 0
