Total cost:                115130
No. of recharges:               6
No. of vehicles:                2

Route  1: Cost        60454
    D1
    C9    S2
    C1   C10    C2    S6
   C14    C6    S4
   C13    C5    D2

Route  2: Cost        54676
    D3
    S8
    C3   C11    C4   C12    C8    S9
    C7   C15   S10
   C16    D4

