Total cost:                243537
No. of recharges:              14
No. of vehicles:                3

Route  1: Cost       158523
    D1
    C1   C18    S4
    C2    S9
    C3   C19   S14
   C20   S15
    C8   C23    C7   S10
    C6   C22   C10    S6
   C25    C9    S7
   C26   S12
   C31   C15   S13
   C30   C14    S7
   C29   C13    D2

Route  2: Cost        57299
    D3
    C4   S19
   C24   C28   S16
   C27   C12   C11   S17
   C16   C32    D4

Route  3: Cost        27715
    D1
   C17    S1
    C5   C21    D1

