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    <metadata> Produced by OmniGraffle 7.7.1 
      <dc:date>2018-04-23 22:05:25 +0000</dc:date>
 
</s> remove     <font-face font-family="Arial" font-size="16" panose-1="2 11 6 4 2 2 2 2 2 4" units-per-em="1000" underline-position="-105.95703" underline-thickness="73.24219" slope="0" x-height="518.5547" cap-height="716.3086" ascent="905.2734" descent="-211.91406" font-weight="400">
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 </s> add     <marker orient="auto" overflow="visible" markerUnits="strokeWidth" id="StickArrow_Marker" stroke-linejoin="miter" stroke-miterlimit="10" viewBox="-1 -4 10 8" markerWidth="10" markerHeight="8" color="black"> </s> remove     <dc:date>2018-04-23 22:05:25 +0000</dc:date>
 </s> add     <dc:date>2018-05-13 00:30:00 +0000</dc:date> </s> remove     <font-face font-family="Arial" font-size="12" panose-1="2 11 6 4 2 2 2 2 2 4" units-per-em="1000" underline-position="-105.95703" underline-thickness="73.24219" slope="0" x-height="518.5547" cap-height="716.3086" ascent="905.2734" descent="-211.91406" font-weight="400">
 </s> add     <font-face font-family="Arial" font-size="9" panose-1="2 11 6 4 2 2 2 2 2 4" units-per-em="1000" underline-position="-105.95703" underline-thickness="73.24219" slope="0" x-height="518.5547" cap-height="716.3086" ascent="905.2734" descent="-211.91406" font-weight="400"> </s> remove       <g id="Line_58">
        <line x1="122.125" y1="96.03723" x2="107.45422" y2="106.65014" marker-end="url(#StickArrow_Marker)" stroke="black" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5"/>
 </s> add       <g id="Line_3">
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        <path d="M 8 0 L 0 0 M 0 -3 L 8 0 L 0 3" fill="none" stroke="currentColor" stroke-width="1"/>
        </font-face-src>
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      <marker orient="auto" overflow="visible" markerUnits="strokeWidth" id="StickArrow_Marker" stroke-linejoin="miter" stroke-miterlimit="10" viewBox="-1 -4 8 8" markerWidth="8" markerHeight="8" color="black">
        <g>
        <path d="M 8 0 L 0 0 M 0 -3 L 8 0 L 0 3" fill="none" stroke="currentColor" stroke-width="1"/>
        </g>
      </marker>
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    <metadata> Produced by OmniGraffle 7.7.1 
      <dc:date>2018-04-23 22:05:25 +0000</dc:date>
keep keep keep keep replace keep keep keep keep keep
 gluon basics and advances revise 
img/frontend-backend.svg