# ------------------------------------- Printing Arrangement
# --------------------------------------------------------
# ------------------------------------- Printing Planar map
# --------------------------------------------------------
# Printing number of vertices halfedges and faces in Planar map
2 4 2
# 2 vertices
# ------------------------------------------
20/1 0/1
0/1 0/1
# 4 halfedges
# ------------------------------------------
0 3
 0/1 0/1 10/1 10/1 20/1 0/1
1 3
 0/1 0/1 10/1 10/1 20/1 0/1
1 2
 20/1 0/1 0/1 0/1
0 2
 20/1 0/1 0/1 0/1
# 2 faces
# ------------------------------------------
# writing face
# ------------------------------------------
# UNBOUNDED
# number halfedges on outer boundary
0
# number of holes
1
# inner ccb
# number halfedges on inner boundary
2
2 0 
# finish writing face
# ------------------------------------------
# writing face
# ------------------------------------------
# outer ccb
# number halfedges on outer boundary
2
3 1 
# number of holes
0
# finish writing face
# ------------------------------------------
# ------------------------------------- End of Planar map
# --------------------------------------------------------
# Printing curve hierachy
# number of curves
1
# 1 'th curve
# ------------------------------------------
4
 0/1 0/1 10/1 10/1 20/1 0/1 0/1 0/1
# number of levels
1
# 1 'th level
# ------------------------------------------
2
# begin and past end indices of children edge nodes
0 1
# subcurve of current level
3
 0/1 0/1 10/1 10/1 20/1 0/1
# begin and past end indices of children edge nodes
1 2
# subcurve of current level
2
 20/1 0/1 0/1 0/1
# number of edge nodes
2
# ----------------------- Edge nodes childrens:
# pair indices (curve node and its edge node) for next overlapping edge node :
0 0
# Halfedge indices associated with edge nodes
0
# Edge node curve
3
 0/1 0/1 10/1 10/1 20/1 0/1
# pair indices (curve node and its edge node) for next overlapping edge node :
0 1
# Halfedge indices associated with edge nodes
2
# Edge node curve
2
 20/1 0/1 0/1 0/1
# finished current level
# ------------------------------------- End of Arrangement
# --------------------------------------------------------