/usr/share/games/xpat/russian/keys is in xpat2 1.07-20.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #c This file does contain the german key bindings for xpat version 2.0
#include ../keys
y None
d Confirm
|