Total cost:                136532
No. of recharges:               6
No. of vehicles:                3

Route  1: Cost        79088
    D3
   C12    S9
   C11    C3   C10    S6
   C14    C6    S7
    C7   C15    S9
    C8   C16    D4

Route  2: Cost        44032
    D1
    C1    S2
    C9    C2    S3
    C5   C13    D2

Route  3: Cost        13412
    D3
    C4    D3

