#-----------#
# Example 1 #
#-----------#

#=========
| POINTS |
=========#
9 # number of points #

# Nodes which define the boundary #
0:   0   0   0.25   1
1:   5   0   0.25   1
2:   5   2   0.25   2
3:   4   3   0.25   3
4:   0   3   0.25   3

# Nodes which define the hole #
5:   1   1   0.1    4
6:   1   2   0.1    4
7:   2   2   0.1    4
8:   2   1   0.1    4

#===========
| SEGMENTS |
===========#
9 # Number of segments #

# Boundary segments #
0:   0   1   1
1:   1   2   2
2:   2   3   2
3:   3   4   3
4:   4   0   3

# Hole segments #
5:   5   6   4
6:   6   7   4
7:   7   8   4
8:   8   5   4