Using 5!:6 to produce fully parenthesized representations is instructive although it may surprise the unwary.
_9" ++ + + (_9"0 0 0) (+ + +) p=.+" 2 2 2 8 9" p r r r (8 9"2 2 2) (r r r) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
