Total cost:                133553
No. of recharges:               7
No. of vehicles:                2

Route  1: Cost        88708
    D1
    C9    C1    S2
    C2   C10   C11    S6
    C7   S10
    S7
    C6   C14    S3
   C13    C5    D2

Route  2: Cost        44845
    D3
    C4   C12    S8
    C3    S9
   C15   C16    C8    D4

