3
0 0 1 -1 2 0 0
-1 2 0 -1 0 -1 0
-1 0 -1 -1 -1 0 0
0
4
-1 1 0 -1 0 0 0
-1 0 0 -1 -1 0 0
-1 -1 0 0 0 1 0
0 0 1 -1 1 0 0
0
# BEGIN ARRANGEMENT
# number_of_vertices
6
# number_of_edges
7
# number_of_faces
3
# BEGIN VERTICES
0 4 1 -1/1 0/1 -1/1
17
0 4 1 -1/1 0/1 0/1
12
4 4 1 -1/1 -1/1 0/1
4
4 3 1 0/1 0/1 1/1
3
4 4 1 -1/1 2/1 0/1
18
4 4 1 -1/1 1/1 0/1
13
# END VERTICES
# BEGIN EDGES
2 0 1 1 -1/1 0/1 -1/1 -1/1 -1/1 0/1 0
16
16
1 2 0 1 -1/1 0/1 0/1 -1/1 -1/1 0/1 0
11
11
3 2 1 1 -1/1 -1/1 0/1 0/1 0/1 1/1 0
11
11
4 3 0 1 0/1 0/1 1/1 -1/1 2/1 0/1 0
16
16
5 3 0 1 0/1 0/1 1/1 -1/1 1/1 0/1 0
11
11
4 0 0 1 -1/1 2/1 0/1 -1/1 0/1 -1/1 0
16
16
5 1 0 1 -1/1 1/1 0/1 -1/1 0/1 0/1 0
11
11
# END EDGES
# BEGIN FACES
# BEGIN FACE
0 1 
# number_of_outer_ccbs
0
# number_of_inner_ccbs
1
# halfedges_on_inner_ccb
4
12 2 5 9 
# number_of_isolated_vertices
0
14
# END FACE
# BEGIN FACE
0 1 
# number_of_outer_ccbs
1
# halfedges_on_outer_ccb
4
11 6 4 0 
# number_of_inner_ccbs
0
# number_of_isolated_vertices
0
23
# END FACE
# BEGIN FACE
0 1 
# number_of_outer_ccbs
1
# halfedges_on_outer_ccb
6
13 8 7 10 1 3 
# number_of_inner_ccbs
0
# number_of_isolated_vertices
0
23
# END FACE
# END FACES
# END ARRANGEMENT
