--- /dev/null
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+ xmlns:dc="http://purl.org/dc/elements/1.1/"
+ xmlns:cc="http://creativecommons.org/ns#"
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+ width="105.28005mm"
+ height="64.754387mm"
+ viewBox="0 0 373.03951 229.44446"
+ id="svg6423"
+ version="1.1"
+ inkscape:version="0.91 r13725"
+ sodipodi:docname="construction-ellipse.svg">
+ <defs
+ id="defs6425">
+ <marker
+ inkscape:isstock="true"
+ style="overflow:visible"
+ id="marker17189"
+ refX="0"
+ refY="0"
+ orient="auto"
+ inkscape:stockid="Arrow1Mend">
+ <path
+ inkscape:connector-curvature="0"
+ transform="matrix(-0.4,0,0,-0.4,-4,0)"
+ style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+ d="M 0,0 5,-5 -12.5,0 5,5 0,0 Z"
+ id="path17191" />
+ </marker>
+ <marker
+ inkscape:stockid="Arrow1Mend"
+ orient="auto"
+ refY="0"
+ refX="0"
+ id="marker7973"
+ style="overflow:visible"
+ inkscape:isstock="true"
+ inkscape:collect="always">
+ <path
+ id="path7975"
+ d="M 0,0 5,-5 -12.5,0 5,5 0,0 Z"
+ style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+ transform="matrix(-0.4,0,0,-0.4,-4,0)"
+ inkscape:connector-curvature="0" />
+ </marker>
+ <marker
+ inkscape:stockid="Arrow1Mend"
+ orient="auto"
+ refY="0"
+ refX="0"
+ id="Arrow1Mend"
+ style="overflow:visible"
+ inkscape:isstock="true">
+ <path
+ id="path7706"
+ d="M 0,0 5,-5 -12.5,0 5,5 0,0 Z"
+ style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
+ transform="matrix(-0.4,0,0,-0.4,-4,0)"
+ inkscape:connector-curvature="0" />
+ </marker>
+ </defs>
+ <sodipodi:namedview
+ id="base"
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1.0"
+ inkscape:pageopacity="0.0"
+ inkscape:pageshadow="2"
+ inkscape:zoom="1.4"
+ inkscape:cx="5.6033933"
+ inkscape:cy="157.03376"
+ inkscape:document-units="px"
+ inkscape:current-layer="layer1"
+ showgrid="false"
+ inkscape:window-width="1920"
+ inkscape:window-height="1017"
+ inkscape:window-x="-8"
+ inkscape:window-y="-8"
+ inkscape:window-maximized="1"
+ showborder="true"
+ fit-margin-top="3"
+ fit-margin-left="3"
+ fit-margin-bottom="3"
+ fit-margin-right="3" />
+ <metadata
+ id="metadata6428">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+ <dc:title></dc:title>
+ </cc:Work>
+ </rdf:RDF>
+ </metadata>
+ <g
+ inkscape:label="Layer 1"
+ inkscape:groupmode="layer"
+ id="layer1"
+ transform="translate(29.073159,-805.1493)">
+ <ellipse
+ inkscape:label="#path6309"
+ ry="69.691307"
+ rx="139.74142"
+ cy="901.55804"
+ cx="-213.84612"
+ id="ellipse6397"
+ style="opacity:1;fill:none;fill-opacity:0.30357146;fill-rule:evenodd;stroke:#000000;stroke-width:0.99999994;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+ transform="matrix(0.89852341,-0.43892559,0.43892559,0.89852341,0,0)" />
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="93.846985"
+ y="885.59937"
+ id="text8001"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003"
+ x="93.846985"
+ y="885.59937">p<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17812">1</tspan></tspan></text>
+ <path
+ style="fill:none;fill-rule:evenodd;stroke:#a6a6a6;stroke-width:0.99999988px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ d="M -8.8805952,1023.6425 155.17378,828.19506"
+ id="path17069"
+ inkscape:connector-curvature="0" />
+ <path
+ style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.99999988;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#marker7973)"
+ d="m 98.550244,895.66427 15.529126,13.03682"
+ id="path17071"
+ inkscape:connector-curvature="0" />
+ <path
+ inkscape:connector-curvature="0"
+ id="path17145"
+ d="M -18.409647,1002.9599 255.51657,984.5145"
+ style="fill:none;fill-rule:evenodd;stroke:#a6a6a6;stroke-width:0.99999988px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
+ <path
+ inkscape:connector-curvature="0"
+ id="path17147"
+ d="m 148.86465,991.69846 -1.3651,-20.22987"
+ style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:0.99999988;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-end:url(#marker17189)" />
+ <circle
+ style="opacity:1;fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+ id="path17733"
+ cx="98.623726"
+ cy="895.52423"
+ r="2.3214285" />
+ <circle
+ style="opacity:1;fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+ id="path17733-3"
+ cx="10.461747"
+ cy="1000.8074"
+ r="2.3214283" />
+ <circle
+ style="opacity:1;fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+ id="path17733-9"
+ cx="148.74992"
+ cy="991.51367"
+ r="2.3214283" />
+ <circle
+ style="opacity:1;fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+ id="path17733-7"
+ cx="307.23209"
+ cy="913.07648"
+ r="2.3214283" />
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="158.39291"
+ y="1002.8078"
+ id="text8001-3"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003-9"
+ x="158.39291"
+ y="1002.8078">p<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17824">2</tspan></tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="6.6072297"
+ y="990.66498"
+ id="text8001-2"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003-5"
+ x="6.6072297"
+ y="990.66498">p<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17816">0</tspan></tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="319.10721"
+ y="918.52197"
+ id="text8001-0"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003-3"
+ x="319.10721"
+ y="918.52197">p<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17826">3</tspan></tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="121.60724"
+ y="904.59338"
+ id="text8001-25"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003-57"
+ x="121.60724"
+ y="904.59338">v<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17820">1</tspan></tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="156.96436"
+ y="975.30768"
+ id="text8001-1"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003-7"
+ x="156.96436"
+ y="975.30768">v<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17822">2</tspan></tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="131.58051"
+ y="838.66858"
+ id="text8001-6"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003-4"
+ x="131.58051"
+ y="838.66858">m<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17812-4">1</tspan></tspan></text>
+ <text
+ xml:space="preserve"
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:17.5px;line-height:125%;font-family:Garamond;-inkscape-font-specification:'Garamond, Normal';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+ x="236.79205"
+ y="996.75732"
+ id="text8001-3-3"
+ sodipodi:linespacing="125%"><tspan
+ sodipodi:role="line"
+ id="tspan8003-9-9"
+ x="236.79205"
+ y="996.75732">m<tspan
+ style="font-size:64.99999166%;baseline-shift:sub"
+ id="tspan17824-2">2</tspan></tspan></text>
+ </g>
+</svg>