<?xml version="1.0" encoding="utf-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Created with matplotlib (http://matplotlib.org/) -->
<svg height="72pt" version="1.1" viewBox="0 0 72 72" width="72pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <defs>
  <style type="text/css">
*{stroke-linecap:butt;stroke-linejoin:round;}
  </style>
 </defs>
 <g id="figure_1">
  <g id="patch_1">
   <path d="M 0 72 
L 72 72 
L 72 0 
L 0 0 
z
" style="fill:none;opacity:0;"/>
  </g>
  <g id="text_1">
   <path d="M 70 37.44 
C 70 36.8025 69.734375 36.18625 69.2775 35.74 
L 59.56625 26.018125 
C 59.109375 25.56125 58.50375 25.295625 57.855625 25.295625 
C 56.5275 25.295625 55.433125 26.400625 55.433125 27.72875 
L 55.433125 32.584375 
L 40.855625 32.584375 
L 40.855625 18.0175 
L 45.71125 18.0175 
C 47.039375 18.0175 48.144375 16.9125 48.144375 15.584375 
C 48.144375 14.93625 47.87875 14.330625 47.421875 13.87375 
L 37.710625 4.1625 
C 37.25375 3.705625 36.648125 3.44 36 3.44 
C 35.351875 3.44 34.74625 3.705625 34.289375 4.1625 
L 24.578125 13.87375 
C 24.12125 14.330625 23.855625 14.93625 23.855625 15.584375 
C 23.855625 16.9125 24.960625 18.0175 26.28875 18.0175 
L 31.144375 18.0175 
L 31.144375 32.584375 
L 16.566875 32.584375 
L 16.566875 27.72875 
C 16.566875 26.400625 15.4725 25.295625 14.144375 25.295625 
C 13.49625 25.295625 12.890625 25.56125 12.43375 26.018125 
L 2.7225 35.74 
C 2.265625 36.18625 2 36.8025 2 37.44 
C 2 38.088125 2.265625 38.69375 2.7225 39.150625 
L 12.43375 48.861875 
C 12.890625 49.31875 13.49625 49.584375 14.144375 49.584375 
C 15.4725 49.584375 16.566875 48.49 16.566875 47.161875 
L 16.566875 42.295625 
L 31.144375 42.295625 
L 31.144375 56.873125 
L 26.28875 56.873125 
C 24.960625 56.873125 23.855625 57.9675 23.855625 59.295625 
C 23.855625 59.94375 24.12125 60.549375 24.578125 61.00625 
L 34.289375 70.7175 
C 34.74625 71.174375 35.351875 71.44 36 71.44 
C 36.648125 71.44 37.25375 71.174375 37.710625 70.7175 
L 47.421875 61.00625 
C 47.87875 60.549375 48.144375 59.94375 48.144375 59.295625 
C 48.144375 57.9675 47.039375 56.873125 45.71125 56.873125 
L 40.855625 56.873125 
L 40.855625 42.295625 
L 55.433125 42.295625 
L 55.433125 47.161875 
C 55.433125 48.49 56.5275 49.584375 57.855625 49.584375 
C 58.50375 49.584375 59.109375 49.31875 59.56625 48.861875 
L 69.2775 39.150625 
C 69.734375 38.69375 70 38.088125 70 37.44 
"/>
  </g>
 </g>
</svg>