( mergelists '(1 3 5 6 7) '(1 2 4 5) )
( sortlist '(1 2 4 2 5 2 7 3 5 3) )
( dup '(1 2 6 5 3) )
( count '( (1 2) (1 3) (1 4) ) )
( duplist_of_lists '( (1 2) (2 3 4) (5 6 8) (1 2)) )
( permute '(1 2 3 4 5) )
( make_cons_tree '( 1 2 3 4 5) )
( make_cons_tree '(3 2 1) )
( make_cons_tree '(1 4 8 6 2 7 3 9 10 5) )  
( squeeze '(1 2 3 4) )
( cons_treep '(nil . 3) ) 
( cons_treep '(3 . nil) )
( cons_treep '((1 . 2) . (3 . 4)) )
( bin 31 )
( kthleast '((1 . 2) . (5 . nil)) 3 )
( kthleast '( (((1 . 2) . (3 . 4)) .  ((5 . 6) . (7 . 8))) . (((9 . 10) . (nil . nil)) . ((nil . nil) . (nil . nil))) ) 5)