On Wed, Sep 22, 2010 at 2:07 PM, John Randall
<rand...@andromeda.rutgers.edu> wrote:
> I want a full set of boxes in the order 0 1 2.

I would be tempted to do something like this:

f=:*
data=:_3 1 0 1 _1 0 _10 _2 _4 6
boxem=: 1 :'({. </. {:)@|:@/:~@,.~ u'

   f boxem data

I have assumed that f is atomic, that data is a flat list,
and that the initial order of data is irrelevant.

-- 
Raul
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