Set #1
Max benefit = 45
Items used:  3  2

Set #2
Max benefit = 35
Items used:  3  2

Set #3
Max benefit = 70
Items used:  6  5  1

Set #4
Max benefit = 42
Items used:  5  2  1

Set #5
Max benefit = 56
Items used:  4  3

Set #6
Max benefit = 16
Items used:  3  2

Set #7
Max benefit = 61
Items used:  7  4  3  2