Total cost:                186776
No. of recharges:              10
No. of vehicles:                2

Route  1: Cost       115372
    D3
   C12   C28    S9
   C27   C20    C4   C36    S8
   C11   C35    C3   C10    S6
   C19   C15   C30   C14    S7
   C31   C39   C23    C7   S10
   C24   S10
   C16   C40    C8   C32    D4

Route  2: Cost        71404
    D1
    C1    C9   C17    S2
   C18   C34   C26    C2   C33   C25   C13    S3
   C22    C6   C38    S4
   C21   C29   C37    S1
    C5    D2

