Converted from the following PostScript vector source code:

%!
340 558 translate 45 rotate .59 dup scale 1 setlinecap/z{20000
sqrt}def 18 setlinewidth .92 .96 1 setrgbcolor/y{gsave 38
setlinewidth 0 setgray stroke grestore stroke}def -274.4148 z
add -35.3 120 180 270 arc/A{-274.41478 z add -35.3 120 270 330
arc z 0 100 150 270 arcn 0 0 100 270 30 arcn 274.4148 -35.3 120
210 270 arc}def A 274.4148 -35.3 120 270 45 arc -408 408
rlineto y 0 setlinecap/B{38 setlinewidth 0 setgray z 0 100 299
271 arcn stroke 0 0 100 55 31 arcn stroke -274.4148 z add -35.3
120 319 330 arc 12.5 dup 3 sqrt mul rlineto stroke 18
setlinewidth .92 .96 1 setrgbcolor z 0 100 300 270 arcn stroke
0 0 100 56 30 arcn stroke -274.4148 z add -35.3 120 318 330 arc
13.5 dup 3 sqrt mul rlineto stroke}def B gsave -90 rotate
-239.115 -97.6935 translate -274.4148 z add -35.3 120 135 270
arc A y B grestore 38 setlinewidth 0 setgray 0 0 100 168 193
arc stroke 18 setlinewidth .92 .96 1 setrgbcolor 0 0 100 167
194 arc stroke showpage
%EOF