Fill the Bucket

In a row of buckets, every bucket has a unique capacity. You can order the buckets in any order you want. Initially, all the buckets are empty in a row. Now, you do the following steps repeatedly, until all the buckets are filled: Take the front bucket of the row, fill it, and take it out of the row. If there are still buckets in the row, put the next top bucket of the row at the end of the row. I