0
1
2
4
3
5
6
7
8
Add point 0
Reconstruction block
Sweepline stuff
Add point 1
Sweepline stuff
Add point 2
Sweepline stuff
Add point 3
Reconstruction block
Sweepline stuff
Add point 4
Sweepline stuff
Add point 5
Sweepline stuff
....
Add point 8
Sweepline stuff
Reconstruction block
Written after the loop