/lib/udev/keymaps/lenovo-thinkpad_x200_tablet is in udev 175-7.2.
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 | 0x5D menu
0x63 fn
0x66 screenlock
0x67 cyclewindows # bezel circular arrow
0x68 setup # bezel setup / menu
0x6c direction # rotate screen
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