The least amount of work on trip 1 is: 95
The least amount of work on trip 2 is: 12
The least amount of work on trip 3 is: 110
The least amount of work on trip 4 is: 74
The least amount of work on trip 5 is: 0
The least amount of work on trip 6 is: 0
The least amount of work on trip 7 is: 15750