/usr/share/vim-scripts/sokoban-levels/level61.sok is in vim-scripts 20130814ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# ###..### #
# $$ ###..### $@ #
# # ##......# $ #
# #......# $ #
#### ###..######$ #
# $$$ #..# # #
# $# $ $ $$ #$ #
# # ## $ ## # #
# $ $ ## $ $ #
# # ## ## # #
####################
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