/usr/share/xscreensaver/config/maze.xml is in xscreensaver-data-extra 5.15-2ubuntu1.
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 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | <?xml version="1.0" encoding="ISO-8859-1"?>
<screensaver name="maze" _label="Maze">
<command arg="-root"/>
<number id="delay" type="slider" arg="-solve-delay %"
_label="Frame rate" _low-label="Low" _high-label="High"
low="0" high="100000" default="10000"
convert="invert"/>
<number id="pre-delay" type="slider" arg="-pre-delay %"
_label="Linger before solving"
_low-label="0 seconds" _high-label="10 seconds"
low="0" high="10000000" default="2000000"/>
<number id="post-delay" type="slider" arg="-post-delay %"
_label="Linger after solving"
_low-label="0 seconds" _high-label="10 seconds"
low="0" high="10000000" default="4000000"/>
<number id="grid-size" type="spinbutton" arg="-grid-size %"
_label="Grid size" low="0" high="100" default="0"/>
<select id="generator">
<option id="mrandom" _label="Random maze generator"/>
<option id="m0" _label="Depth-first backtracking maze generator"
arg-set="-generator 0"/>
<option id="m1" _label="Wall-building maze generator (Prim)"
arg-set="-generator 1"/>
<option id="m2" _label="Set-joining maze generator (Kruskal)"
arg-set="-generator 2"/>
</select>
<hgroup>
<select id="ignorance">
<option id="smart" _label="Head toward exit"/>
<option id="dumb" _label="Ignorant of exit direction"
arg-set="-ignorant"/>
</select>
<boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
</hgroup>
<_description>
This generates random mazes (with three different maze-generation
algorithms), and then solves them. Backtracking and look-ahead paths
are displayed in different colors.
http://en.wikipedia.org/wiki/Maze_generation_algorithm
Written by Martin Weiss, Dave Lemke, Jim Randell, Jamie Zawinski,
Johannes Keukelaar, and Zack Weinberg; 1985.
</_description>
</screensaver>
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