Specification

　

Patients' information:

   

patient id # location served time
0 (13,44) [9:30,9:50]
1 (45,32) [14:10,14:40]
2 (6,89) [10:10,10:20]
3* (6,89) [10:20,10:30]
4* (6,89) [10:30,10:40]
5 (55,71) [9:40,10:00]
6 (85,21) [9:30,9:50]
7 (28,60) [11:10,11:50]
8 (19,4) [15:20,15:40]
9* (19,4) [15:20,15:40]
10* (19,4) [15:20,15:40]
11* (19,4) [15:30,15:40]
12* (19,4) [15:30,15:40]
13* (19,4) [15:30,15:40]
14* (19,4) [15:40,16:00]
15* (19,4) [15:40,16:00]
16* (19,4) [15:40,16:00]
17* (19,4) [15:40,16:00]
18 (76,11) [17:10,17:30]
19 (32,49) [13:20,13:30]
20 (91,3) [15:10,15:40]
21 (34,38) [11:00,11;20]
22 (90,57) [14:00,14:20]
23 (22,75) [16:20,16:50]
24 (71,96) [8:50,9:10]
25 (66,16) [10:20,10:50]
26* (66,16) [10:20,10:50]
27* (66,16) [15:50,16;10]
28* (66,16) [15:50,16;10]
29* (66,16) [15:50,16;10]

     Table 1: patients' information

Note that * means the patient only appear in the problem 2 and 4.