Build Up Examples and Possibilities
 
 
The numerals of the links below correlates to the number of tracks chasing. 
Sequence Diagram Version A
2 3 4 5 6 7 8
. Track 1 comes on and stays on while Track 2 turns on. This continues until all chosen tracks are on; After a 4X (Time) delay with all tracks on they all turn off and repeat the sequence