</text>
</g>
<g class="m-node m-flat">
<title>b</title>
<polygon points="71.5,-53 0,-53 0,0 71.5,0 71.5,-53"/>
<text text-anchor="start" x="8" y="-39.5" font-family="Helvetica,sans-Serif" font-size="10.00">[Node B]</text>
<text text-anchor="start" x="8" y="-28.25" font-family="Helvetica,sans-Serif" font-size="10.00">Step 1: f1(B)</text>
<text text-anchor="start" x="8" y="-17" font-family="Helvetica,sans-Serif" font-size="10.00">Step 2: f2(B)</text>
<text text-anchor="start" x="8" y="-5.75" font-family="Helv