cgal/BGL/test/BGL/data/fixture3.off

OFF
6 2 0
# u            x            z
# +------------+------------+
# |            |            |
# |            |            |
# |      f1    |    f2      |
# |            |            |
# |            |            |
# +------------+------------+
# v            w            y
0 1 0
0 0 0
1 0 0
1 1 0
2 0 0
2 1 0
# faces
4 0 1 2 3 
4 3 2 4 5