/usr/share/acl2-7.2dfsg/books/centaur/aignet/ is in acl2-books-source 7.2dfsg-3.
This file is owned by root:root, with mode 0o755.
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/usr/share/acl2-7.2dfsg/books/centaur/aignet/aig-cnf.lisp
/usr/share/acl2-7.2dfsg/books/centaur/aignet/aig-sim.lisp
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