Are c code from www.ioccc.org free?

[Luca - De Whiskey's - De Vitis <luca@linuxasylum.net>]

Here is the copyright.

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Copyright (C) Landon Curt Noll, Simon Cooper, Peter Seebach
and Leonid A. Broukhis, 2000.
All Rights Reserved.  Permission for personal, educational or non-profit
use is granted provided this copyright and notice are included in its
entirety and remains unaltered.  All other uses must receive prior permission
from the contest judges.
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I'm a bit confused by the possible interpretation of "All other uses must
receive prior permission from the contest judges": this sentence neither
deny all other possible uses, nor it explicitly allows them.

ciao,
-- 
Luca - De Whiskey's - De Vitis              | Elegant or ugly code as well
aliases: Luca ^De [A-Z][-A-Za-z]*[iy]'?s$   | as fine or rude sentences have
Infinite loop: see `Loop, infinite'.        | something in common: they
Loop, infinite: see `Infinite loop'.        | don't depend on the language.