Total cost:                131425
No. of recharges:               7
No. of vehicles:                3

Route  1: Cost        78295
    D1
    S2
   C10    S5
    C3   C11    C2    S6
   C15   C14    S4
    C5    S4
    C6   C13    D2

Route  2: Cost        38278
    D3
   C12    C4    S9
    C7   C16   S10
    C8    D4

Route  3: Cost        14852
    D1
    C9    C1    D1

