1.100: C0 arrived [ ]
1.100: C0 service begin (by S0 [ ])
2.200: C1 arrived [ ]
2.200: C1 joined shop queue [ ]
3.100: C0 service done (by S0 [ ])
3.100: C0 departed
3.100: C1 service begin (by S0 [ ])
3.300: C2 arrived [ ]
3.300: C2 joined shop queue [ ]
5.100: C1 service done (by S0 [ ])
5.100: C1 departed
5.100: C2 service begin (by S0 [ ])
7.100: C2 service done (by S0 [ ])
7.100: C2 departed