···

       
22
       
22
       
 
       
        let max =

     

       
23
       
23
       
 
       
          bank_find

     

       
24
       
24
       
 
       
          |> list.max(int.compare)

     

       
25
       
25
       
-
       
          |> result.unwrap(list.last(bank) |> result.unwrap(0))

     

       
25
       
25
       
+
       
          |> result.unwrap(

     

       
26
       
26
       
+
       
            bank |> list.reverse |> list.first |> result.unwrap(0),

     

       
27
       
27
       
+
       
          )

     

       
26
       
28
       
 
       


     

       
27
       
29
       
 
       
        let max_loc =

     

       
28
       
30
       
 
       
          bank