Total cost:                190969
No. of recharges:              10
No. of vehicles:                3

Route  1: Cost        73620
    D1
   C17   C33    C1    C9    S3
   C25   C13   C37    C6    S4
   C30   C14   C22   C38    S3
   C29   C21    C5    D2

Route  2: Cost        65744
    D1
    S2
   C34   C26   C18    S5
    C2   C10   C35   C27    S6
   C39   C15    C7    S9
   C16    C8    D4

Route  3: Cost        51605
    D3
   C28   C12   C20    C4    S8
    C3   C11   C36   C19    S9
   C31   C24   C23   S10
   C32   C40    D4

