Total cost:                290178
No. of recharges:              16
No. of vehicles:                4

Route  1: Cost        93877
    D1
    C1    S4
    C2   C18   S10
    C7    C6   C22    S6
   C25    C9    S7
   C30   C14    S7
   C29   C13    D2

Route  2: Cost        77927
    D3
   S14
   C19    C3   S14
   C20   S15
    C8   C23   S16
   C27   C12   C11   S17
   C16   C32    D4

Route  3: Cost        69090
    D1
   C17    S1
    C5   C21    S6
   C10   C26   S12
   C31   C15   S18
    D4

Route  4: Cost        49284
    D3
    C4   S19
   C24   C28   S20
    D4

