Total cost:                260343
No. of recharges:              16
No. of vehicles:                3

Route  1: Cost       102049
    D1
   C17    C1    S4
   C18    C2    S5
   C21    C6    S6
    C5    S2
   C25    C9    S7
   C10    S7
   C14   C29   C13    S3
    D2

Route  2: Cost        99506
    D3
   C20   S14
   C19    C3    C7   S10
   C22   S11
   C23   C11   S11
   C26   C27   S12
   C30   C15   C31   S17
    D4

Route  3: Cost        58788
    D3
    C4   S19
   C24    C8   S20
   C12   C28   S21
   C32   C16    D4

