Total cost:                207561
No. of recharges:              12
No. of vehicles:                3

Route  1: Cost        87594
    D3
   C20   C36    S8
   C27    S5
   C34   C26    C2   C10    S2
   C33   C25   C17    S1
   C37   C13   C21    S3
   C14   C29    C5    S4
    D2

Route  2: Cost        70312
    D1
    C9    C1    S3
   C18    C3    S6
   C23   C39   C30   C38    C6   C22    S7
    C7   C15   S10
    C8   C40    D4

Route  3: Cost        49655
    D3
    C4   C12   C28    S9
   C35   C11   C19   C31    S9
   C32   C24   C16    D4

