Total cost:                294784
No. of recharges:              16
No. of vehicles:                3

Route  1: Cost       144960
    D1
   C17    S5
    C2   C18    S9
    C3   C19   C34   S10
   C39   C22    C6   S11
   C38    C7   C27   C11   S11
   C10   C42   C26   S12
   C30   C14   C46   S13
   C15   C47   C31   S18
   C32    D4

Route  2: Cost        78341
    D3
    C4   C20   C36   S15
   C35   C23   S15
    C8   C24   S16
   C40   C43   C44   C28   S17
   C12   C16   C48    D4

Route  3: Cost        71483
    D1
    C1   C33   C37    S1
   C21    S2
    C5   C25   C41    S3
    C9   C29    S7
   C45   C13    D2

