<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" x="0" y="0" width="600" height="492" viewBox="0 0 600 492">
<style type="text/css">
	.st0{opacity:0.4;}
	.st1{fill:#fff;stroke:#000;}
	.st2{fill:none;stroke:#000;stroke-width:10;}
	.st3{font-family:Liberation Sans,Arial;}
	.st4{font-size:24px;}
	.st5{font-weight:bold}
</style>
<g id="diagram">
	<rect x="77.8" y="57.1" class="st0" width="190" height="380"/>
	<rect x="323.8" y="57.1" class="st0" width="190" height="380"/>
	<rect x="71.2" y="50.6" class="st1" width="190" height="380"/>
	<rect x="317.3" y="50.6" class="st1" width="190" height="380"/>
	<line class="st2" x1="166.2" y1="140.6" x2="166.2" y2="383"/>
	<line class="st2" x1="463.3" y1="140.6" x2="463.3" y2="383"/>
	<line class="st2" x1="412.3" y1="90.9" x2="412.3" y2="383"/>
	<line class="st2" x1="361.3" y1="183" x2="361.3" y2="383"/>
</g>
<g id="text">
	<text transform="matrix(1 0 0 1 352.9042 411.4463)" class="st3 st4 st5">A</text>
	<text transform="matrix(1 0 0 1 403.6148 411.4463)" class="st3 st4 st5">B</text>
	<text transform="matrix(1 0 0 1 454.6434 411.4463)" class="st3 st4 st5">C</text>
</g>
</svg>
