Total cost:                283389
No. of recharges:              16
No. of vehicles:                3

Route  1: Cost       114167
    D1
    S5
    C2   C22   S12
    C6   C26    C7   S13
   C11   C31   C30   S14
   C34   C14   S15
   C39   C19   S15
   C38   C18   S10
    D2

Route  2: Cost        96281
    D3
    C4   S17
   C23   C24    C3   C27   S18
   C28    C8   S24
   C12   C32   S20
   C15   C36   C16   C35   S21
   C40   C20    D4

Route  3: Cost        72941
    D1
    C1   C21    S6
   C25    C5    S7
   C10    C9   C29   C33    S8
   C13    S9
   C17   C37    D2

