/usr/share/racket/pkgs/games/cards.rkt is in racket-common 6.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | #lang racket
(require "cards/cards.rkt")
(provide (all-from-out "cards/cards.rkt"))
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