diff --git a/v4/tornado.svg b/v4/tornado.svg
index d9465d2..aa05122 100644
--- a/v4/tornado.svg
+++ b/v4/tornado.svg
@@ -1,26 +1,26 @@
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   <mask id="b" width="37" height="36" x="7" y="3" maskUnits="userSpaceOnUse" style="mask-type:luminance">
-    <use xlink:href="#reuse-0"/>
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+  </g>
+  <mask id="c" width="37" height="36" x="7" y="3" maskUnits="userSpaceOnUse" style="mask-type:luminance">
+    <use xlink:href="#a"/>
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+  <g mask="url(#c)">
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-  <mask id="c" width="37" height="36" x="7" y="3" maskUnits="userSpaceOnUse" style="mask-type:luminance">
-    <use xlink:href="#reuse-0"/>
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-  <g mask="url(#c)">
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