diff --git a/config.json b/config.json
index 45d681ab..972e8b36 100644
--- a/config.json
+++ b/config.json
@@ -242,6 +242,16 @@
         "control_flow_conditionals"
       ]
     },
+    {
+      "slug": "list-ops",
+      "uuid": "e80410bb-45e5-4007-ad97-e7470dd87ed5",
+      "core": false,
+      "unlocked_by": "rna-transcription",
+      "difficulty": 2,
+      "topics": [
+        "lists"
+      ]
+    },
     {
       "slug": "prime-factors",
       "uuid": "b6ff9201-e0fc-43e5-9501-cd0509f9ce1c",
@@ -379,6 +389,18 @@
         "strings"
       ]
     },
+    {
+      "slug": "simple-linked-list",
+      "uuid": "56a794de-40ee-4ff2-a1dd-f9b83f62d4b0",
+      "core": false,
+      "unlocked_by": "strain",
+      "difficulty": 3,
+      "topics": [
+        "data_structures",
+        "lists",
+        "recursion"
+      ]
+    },
     {
       "slug": "robot-simulator",
       "uuid": "a2d4ca29-54e2-4969-bfc9-ee483acf9caf",
@@ -819,28 +841,6 @@
         "games",
         "parsing"
       ]
-    },
-    {
-      "slug": "list-ops",
-      "uuid": "e80410bb-45e5-4007-ad97-e7470dd87ed5",
-      "core": false,
-      "unlocked_by": "rna-transcription",
-      "difficulty": 2,
-      "topics": [
-        "lists"
-      ]
-    },
-    {
-      "slug": "simple-linked-list",
-      "uuid": "56a794de-40ee-4ff2-a1dd-f9b83f62d4b0",
-      "core": false,
-      "unlocked_by": "strain",
-      "difficulty": 3,
-      "topics": [
-        "data_structures",
-        "lists",
-        "recursion"
-      ]
     }
   ]
 }