Grasshopper: Auto-numbering Beams

A while back I built a Dynamo graph that assigns sequential number to beams based on their X- and Y-coordinate and continuity.
This is my attempt to reproduce the script in Grasshopper.
The "beam orientation", "beam number" and "beam tag" workflows are direct copy from the post below
/ feirooz_dynamobim-visu...
The original Dynamo graph can be found below
• Dynamo: Auto-numbering...