diff --git a/img/do_while.svg b/img/do_while.svg
index 2820310..5fdc97c 100644
--- a/img/do_while.svg
+++ b/img/do_while.svg
@@ -1,3 +1,3 @@
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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 31px; margin-left: 2px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><font style="font-size: 14px"><b>int i = 0</b></font></div></div></div></foreignObject><text x="51" y="35" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">int i = 0</text></switch></g><path d="M 51.03 151 L 51.03 171 L 51.03 161 L 51.03 170.76" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 51.03 178.76 L 47.03 170.76 L 55.03 170.76 Z" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><rect x="1" y="91" width="100" height="60" rx="7" ry="7" fill="#ffffff" stroke="#000000" stroke-width="2" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 121px; margin-left: 2px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><font style="font-size: 14px"><b>"%d%n", i</b></font></div></div></div></foreignObject><text x="51" y="125" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">"%d%n", i</text></switch></g><path d="M 101 231 L 131.03 231 L 131.03 71 L 61.24 71" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 53.24 71 L 61.24 67 L 61.24 75 Z" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 151px; margin-left: 151px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; background-color: #ffffff; white-space: nowrap; "><b>true</b></div></div></div></foreignObject><text x="151" y="155" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">true</text></switch></g><path d="M 51 281 L 51 320.76" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 51 328.76 L 47 320.76 L 55 320.76 Z" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 299px; margin-left: 71px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; background-color: #ffffff; white-space: nowrap; "><b>false</b></div></div></div></foreignObject><text x="71" y="303" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">false</text></switch></g><path d="M 51 181 L 101 231 L 51 281 L 1 231 Z" fill="#ffffff" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 31px; margin-left: 2px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><font style="font-size: 14px"><b>int i = 0</b></font></div></div></div></foreignObject><text x="51" y="35" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">int i = 0</text></switch></g><path d="M 51.03 161 L 51.03 181 L 51.03 171 L 51.03 180.76" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 51.03 188.76 L 47.03 180.76 L 55.03 180.76 Z" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><rect x="1" y="101" width="100" height="60" rx="7" ry="7" fill="#ffffff" stroke="#000000" stroke-width="2" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 131px; margin-left: 2px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><font style="font-size: 14px"><b>"%d%n", i</b></font></div></div></div></foreignObject><text x="51" y="135" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">"%d%n", i</text></switch></g><path d="M 101 331 L 131.03 331 L 131.03 81 L 61.24 81" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 53.24 81 L 61.24 77 L 61.24 85 Z" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 220px; margin-left: 151px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; background-color: #ffffff; white-space: nowrap; "><b>true</b></div></div></div></foreignObject><text x="151" y="223" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">true</text></switch></g><path d="M 51.03 381 L 51.03 421 L 51.04 420.76" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 51.01 428.76 L 47.04 420.75 L 55.04 420.78 Z" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 399px; margin-left: 71px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; background-color: #ffffff; white-space: nowrap; "><b>false</b></div></div></div></foreignObject><text x="71" y="403" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">false</text></switch></g><path d="M 51 281 L 101 331 L 51 381 L 1 331 Z" fill="#ffffff" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 331px; margin-left: 2px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><font style="font-size: 14px"><b>i &lt; 10</b></font></div></div></div></foreignObject><text x="51" y="335" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">i &lt; 10</text></switch></g><path d="M 51.03 251 L 51.03 271 L 51.03 261 L 51.03 270.76" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 51.03 278.76 L 47.03 270.76 L 55.03 270.76 Z" fill="none" stroke="#000000" stroke-width="2" stroke-miterlimit="10" pointer-events="all"/><rect x="1" y="191" width="100" height="60" rx="7" ry="7" fill="#ffffff" stroke="#000000" stroke-width="2" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 98px; height: 1px; padding-top: 221px; margin-left: 2px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><font style="font-size: 14px"><b>i++</b></font></div></div></div></foreignObject><text x="51" y="225" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">i++</text></switch></g></g><switch><g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/><a transform="translate(0,-5)" xlink:href="https://desk.draw.io/support/solutions/articles/16000042487" target="_blank"><text text-anchor="middle" font-size="10px" x="50%" y="100%">Viewer does not support full SVG 1.1</text></a></switch></svg>
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