Total cost:                167197
No. of recharges:               8
No. of vehicles:                3

Route  1: Cost       122895
    D1
    C1   C17    S3
   C18   C10   C26    C2    S5
   C11    S8
   C28   C19   C27    C3    S9
    C8   C24   S10
    C7   C31   C23   C15    S6
    C6   C30   C14   C22    S4
   C21   C13    C5   C29    D2

Route  2: Cost        32216
    D3
   C12   C20    C4   S11
   C32   C16    D4

Route  3: Cost        12086
    D1
   C25    C9    D1

