points
9
2 -2.25 0
0 -2.25 0
0 -1 0
2 -1 0
3.0  0.0 0
3.0  2.0 0
2.0  3.0 0
0.5  3.0 0
0.0  2.5 0
end points
lines
8
0 1
1 2
2 3
3 4
4 5
5 6 
6 7
7 8
end lines