Table 3: Optimization results under different values of .

( , , , , , )Total waiting time

40(10, 7, 5, 4, 5, 9)9895
39(10, 7, 5, 4, 4, 9)10171
38(10, 7, 4, 4, 4, 9)10540
37(10, 7, 4, 3, 4, 9)10930
36(10, 7, 4, 3, 3, 9)11390
35No feasible solutions