arcnum starttime       endtime        lineid
1      20021710421170  20021710521430 1
2      20021710532240  20021710608180 2
3      20021710615210  20021710634330 3
4      20021710754090  20021710906000 4
5      20021710917570  20021711013090 5
6      20021711022510  20021711326000 6
7      20021711352180  20021711447340 7
8      20021720349020  20021720550500 8
9      20021720654300  20021720846360 9
10     20021720915570  20021721100100 10
11     20021721116160  20021721208430 11
12     20021730337250  20021730457430 12
13     20021730554290  20021730834110 13
14     20021730906500  20021731146070 14