30,60,60 with U_s = 0.5:
TBS deadlines 12, 16, 20

Objects waiting at all stations at time 0

[0, 5]: move to station 1, new TBS D = 15, d = 20, no accept
[5, 10]: move to station 0
[10, 17.5]: move to station 2, new TBS D = 15, d = 35, no accept
[17.5, 25]: move to station 0
[25, 30]: move to station 3, new TBS D = 15, d = 50, no accept (probably, since time will be slightly earlier)
[30, 35]: move to station 0
[35, 40]: move to station 1
[40, 60]: wait

