Total cost:                240320
No. of recharges:              14
No. of vehicles:                3

Route  1: Cost       100433
    D1
    S4
   C18    S9
    C3   C19    C2   S10
   C23   S11
   C22   C26   S12
   C15   S13
   C30   C14   C29    S8
    D2

Route  2: Cost        74243
    D3
   C20    C4   S15
    C7   C24   S16
    C8   C12   C28   S16
   C11   C27   S17
   C31   C16   C32    D4

Route  3: Cost        65644
    D1
   C17    C1    S1
   C21    C6    C5    S6
   C10    C9   C25    S3
   C13    D2

