/usr/ is in libalgorithm-combinatorics-perl 0.27-2build1.
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/usr/share/doc/libalgorithm-combinatorics-perl/
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/usr/share/doc/libalgorithm-combinatorics-perl/copyright
/usr/share/doc/libalgorithm-combinatorics-perl/examples/
/usr/share/doc/libalgorithm-combinatorics-perl/examples/derangements.pl
/usr/share/doc/libalgorithm-combinatorics-perl/examples/permutations.pl
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/usr/share/doc/libalgorithm-combinatorics-perl/examples/subsets.pl
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