Total cost:                168021
No. of recharges:               9
No. of vehicles:                2

Route  1: Cost       102402
    D3
   C28   C12   C20    C4    S8
    C3   C11   C36    S9
   C19   C27   C35   C10    C2    S5
   C18   C26   C34    S6
   C39   C15   C23   S10
   C32   C24   C31    C7    S9
   C16    C8   C40    D4

Route  2: Cost        65619
    D1
   C17   C33    C1    C9    S3
   C25   C29   C21   C13   C37    S4
   C30   C14   C22   C38    C6    S4
    C5    D2

