tracks/fsharp/config.json in trackler-2.2.1.104 vs tracks/fsharp/config.json in trackler-2.2.1.105

@@ -965,9 +965,19 @@
       "uuid": "d993508d-b4d2-4f3f-a46d-35b753bf90a9"
     },
     {
       "core": false,
       "difficulty": 6,
+      "slug": "rational-numbers",
+      "topics": [
+        "mathematics"
+      ],
+      "unlocked_by": "leap",
+      "uuid": "913ce020-32ae-4b65-ae64-c924d25295dc"
+    },
+    {
+      "core": false,
+      "difficulty": 6,
       "slug": "rail-fence-cipher",
       "topics": [
         "algorithms",
         "strings",
         "transforming"