diff --git a/app.js b/app.js
index 51fdb60..817bb9f 100644
--- a/app.js
+++ b/app.js
@@ -148,7 +148,6 @@ const SYSTEM_RANGES = {
     { label: '10 \u2013 19', min: 10, max: 19 },
     { label: '20 \u2013 99', min: 20, max: 99 },
     { label: '1 \u2013 99', min: 1, max: 99 },
-    { label: '10 \u2013 99', min: 10, max: 99 },
     { label: '100 \u2013 999', min: 100, max: 999 },
     { label: '1000 \u2013 9999', min: 1000, max: 9999 },
   ],
@@ -157,7 +156,6 @@ const SYSTEM_RANGES = {
     { label: '10 \u2013 19', min: 10, max: 19 },
     { label: '20 \u2013 99', min: 20, max: 99 },
     { label: '1 \u2013 99', min: 1, max: 99 },
-    { label: '10 \u2013 99', min: 10, max: 99 },
     { label: '100 \u2013 999', min: 100, max: 999 },
     { label: '1000 \u2013 9999', min: 1000, max: 9999 },
   ],
@@ -166,7 +164,6 @@ const SYSTEM_RANGES = {
     { label: '10 \u2013 19', min: 10, max: 19 },
     { label: '20 \u2013 99', min: 20, max: 99 },
     { label: '1 \u2013 99', min: 1, max: 99 },
-    { label: '10 \u2013 99', min: 10, max: 99 },
     { label: '100 \u2013 499', min: 100, max: 499 },
   ],
 };
diff --git a/index.html b/index.html
index 860f71a..79b1958 100644
--- a/index.html
+++ b/index.html
@@ -10,7 +10,7 @@
   <link rel="manifest" href="manifest.json">
   <link rel="icon" type="image/svg+xml" href="icon.svg">
   <link rel="apple-touch-icon" href="icon-192.png">
-  <link rel="stylesheet" href="styles.css?v=8">
+  <link rel="stylesheet" href="styles.css?v=9">
 </head>
 <body>
   <div id="app">
@@ -158,10 +158,10 @@
 
   </div>
 
-  <script type="module" src="app.js?v=8"></script>
+  <script type="module" src="app.js?v=9"></script>
   <script>
     if ('serviceWorker' in navigator) {
-      navigator.serviceWorker.register('/sw.js?v=8').catch(() => {});
+      navigator.serviceWorker.register('/sw.js?v=9').catch(() => {});
     }
   </script>
 </body>
diff --git a/sw.js b/sw.js
index 70aaa97..ab6f53e 100644
--- a/sw.js
+++ b/sw.js
@@ -1,4 +1,4 @@
-const CACHE_NAME = 'numnum-v8';
+const CACHE_NAME = 'numnum-v9';
 const ASSETS = [
   '/',
   '/index.html',
