Total cost:                126010
No. of recharges:               6
No. of vehicles:                2

Route  1: Cost        76603
    D1
    C1    S2
    C9    C2   C10    S6
   C15    C7    S7
    C6   C14    S3
    C5   C13    D2

Route  2: Cost        49407
    D3
   C12    C4    S8
    C3   C11    S9
    C8   C16    D4

