warning: there were unchecked warnings; re-run with -unchecked for details
one warning found
List((a,0), (b,1), (c,2))
List((a,0), (b,1), (c,2))
List((a,0), (b,1), (c,2))
List((a,0), (b,1), (c,2))
List()
List()
List()
List()