Total cost:                171348
No. of recharges:               8
No. of vehicles:                3

Route  1: Cost        74611
    D3
   C12    C4    S8
   C19    S5
    C2   C26   C10   C18    S3
    C6   C30   C14    S4
   C22   C13    D2

Route  2: Cost        62180
    D3
   C20   C28    S8
   C11   C27    C3    S6
    C7   C31   C23   C15    S9
   C24   C32   C16    C8    D4

Route  3: Cost        34557
    D1
   C17    C9   C25    C1    S3
   C21    C5   C29    D2

