I'm hoping someone here can help me get a better understanding of the application of the 30 in 168 rule based on the following example of X days and Reserve days. An * indicates a Golden X day.

1 2 3 4 5 6 7 8 9 10 11 12
* X X R R R X R R R R *

Can I be assigned a 4-day trip on the 8th since I've had a 30-hour rest in the 168 hour lookback despite the fact that the trip would put me over 168 hours without a 30-hour rest during the rotation?

Additionally, if they don't assign me anything by hour 138 (which would be at 6pm on the 9th) then they will have to give me a 30 hour rest?