3
0 0 1 0 -1 0 0
0 -1 0 1 0 0 0
1 0 0 0 0 1 0
0
1
1 -2 -1 2 -1 -1 0
0
# BEGIN ARRANGEMENT
# number_of_vertices
5
# number_of_edges
4
# number_of_faces
2
# BEGIN VERTICES
4 3 1 0 0 1
5
4 4 1 0 -1 0
7
4 4 1 1 -2 -1
7
4 4 1 2 -1 -1
6
4 4 1 1 0 0
6
# END VERTICES
# BEGIN EDGES
0 1 1 1 0 0 1 0 -1 0 0
5
5
3 2 1 1 1 -2 -1 2 -1 -1 0
7
7
4 1 1 1 0 -1 0 1 0 0 0
5
5
0 4 1 1 1 0 0 0 0 1 0
5
5
# END EDGES
# BEGIN FACES
# BEGIN FACE
0 1 
# number_of_outer_ccbs
0
# number_of_inner_ccbs
2
# halfedges_on_inner_ccb
3
1 6 4 
# halfedges_on_inner_ccb
2
3 2 
# number_of_isolated_vertices
0
8
# END FACE
# BEGIN FACE
0 1 
# number_of_outer_ccbs
1
# halfedges_on_outer_ccb
3
7 0 5 
# number_of_inner_ccbs
0
# number_of_isolated_vertices
0
11
# END FACE
# END FACES
# END ARRANGEMENT
