tracks/csharp/config.json in trackler-2.2.1.13 vs tracks/csharp/config.json in trackler-2.2.1.14

@@ -1,9 +1,9 @@
 {
   "language": "C#",
   "active": true,
-  "blurb": "C# is a modern, object-oriented language with lots of great features, such as type-inference and async/await. The official documentation is very extensive and well-written.",
+  "blurb": "C# is a modern, object-oriented language with lots of great features, such as type-inference and async/await. The tooling is excellent, and there is extensive, well-written documentation.",
   "exercises": [
     {
       "uuid": "6c88f46b-5acb-4fae-a6ec-b48ae3f8168f",
       "slug": "hello-world",
       "core": true,
@@ -45,10 +45,21 @@
         "Arrays",
         "Transforming"
       ]
     },
     {
+      "uuid": "29ae7f8e-a009-4175-9350-a8c684c89730",
+      "slug": "raindrops",
+      "core": true,
+      "unlocked_by": null,
+      "difficulty": 2,
+      "topics": [
+        "Strings",
+        "Filtering"
+      ]
+    },
+    {
       "uuid": "57f02d0e-7b75-473b-892d-26a7d980c4ce",
       "slug": "two-fer",
       "core": true,
       "unlocked_by": "null",
       "difficulty": 1,
@@ -56,21 +67,10 @@
         "Strings",
         "Optional values"
       ]
     },
     {
-      "uuid": "29ae7f8e-a009-4175-9350-a8c684c89730",
-      "slug": "raindrops",
-      "core": true,
-      "unlocked_by": null,
-      "difficulty": 2,
-      "topics": [
-        "Text formatting",
-        "Filtering"
-      ]
-    },
-    {
       "uuid": "caca1c6a-b998-431e-b6af-ca2d47b7708f",
       "slug": "nucleotide-count",
       "core": true,
       "unlocked_by": null,
       "difficulty": 2,
@@ -316,11 +316,11 @@
       "slug": "proverb",
       "core": false,
       "unlocked_by": "raindrops",
       "difficulty": 3,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Algorithms"
       ]
     },
     {
       "uuid": "46b8aea8-1528-43cb-a754-495ec2790ce2",
@@ -336,11 +336,11 @@
     },
     {
       "uuid": "75a2d5f0-5f5e-46a3-9dd2-3da415690e18",
       "slug": "protein-translation",
       "core": false,
-      "unlocked_by": "hello-world",
+      "unlocked_by": "two-fer",
       "difficulty": 3,
       "topics": [
         "Strings",
         "Lists",
         "Transforming"
@@ -382,11 +382,11 @@
       "slug": "beer-song",
       "core": false,
       "unlocked_by": "raindrops",
       "difficulty": 3,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Algorithms"
       ]
     },
     {
       "uuid": "1897605a-afd4-49fe-b6ee-cd822f0d8acc",
@@ -422,11 +422,11 @@
     },
     {
       "uuid": "4b7b65be-f777-4f64-94a0-4f9832f17a52",
       "slug": "isogram",
       "core": false,
-      "unlocked_by": "hello-world",
+      "unlocked_by": "two-fer",
       "difficulty": 3,
       "topics": [
         "Strings",
         "Filtering"
       ]
@@ -455,11 +455,11 @@
     },
     {
       "uuid": "ddfb0a0e-8c58-4b9e-ad62-57d06ef10f5f",
       "slug": "acronym",
       "core": false,
-      "unlocked_by": "hello-world",
+      "unlocked_by": "two-fer",
       "difficulty": 4,
       "topics": [
         "Strings",
         "Transforming"
       ]
@@ -515,11 +515,11 @@
       "slug": "house",
       "core": false,
       "unlocked_by": "raindrops",
       "difficulty": 4,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Algorithms"
       ]
     },
     {
       "uuid": "4d5a53df-3d6b-46cb-a964-71c676f3cd93",
@@ -550,11 +550,11 @@
       "slug": "twelve-days",
       "core": false,
       "unlocked_by": "bob",
       "difficulty": 4,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Algorithms"
       ]
     },
     {
       "uuid": "790216d1-4fd9-4a9b-94f8-e1e07a18c2b7",
@@ -720,22 +720,22 @@
       "slug": "food-chain",
       "core": false,
       "unlocked_by": "allergies",
       "difficulty": 5,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Algorithms"
       ]
     },
     {
       "uuid": "a9909a03-ce2e-45d9-85f8-a77f44fb2466",
       "slug": "grep",
       "core": false,
       "unlocked_by": "markdown",
       "difficulty": 5,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Files",
         "Searching"
       ]
     },
     {
@@ -811,11 +811,11 @@
       "core": false,
       "unlocked_by": "allergies",
       "difficulty": 5,
       "topics": [
         "Globalization",
-        "Text formatting",
+        "Strings",
         "Refactoring"
       ]
     },
     {
       "uuid": "a6dff389-07ea-42cb-98ec-271ce7cfeda3",
@@ -900,11 +900,11 @@
       "slug": "tournament",
       "core": false,
       "unlocked_by": "kindergarten-garden",
       "difficulty": 6,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Parsing"
       ]
     },
     {
       "uuid": "2b05d7dd-0f0b-4fa4-a2bf-9d7fa28a7543",
@@ -1079,11 +1079,11 @@
       "slug": "diamond",
       "core": false,
       "unlocked_by": "saddle-points",
       "difficulty": 8,
       "topics": [
-        "Text formatting",
+        "Strings",
         "Algorithms"
       ]
     },
     {
       "uuid": "b33c3b86-e04b-4529-bdf5-9d553ad59f87",
@@ -1112,11 +1112,10 @@
       "core": false,
       "unlocked_by": "kindergarten-garden",
       "difficulty": 8,
       "topics": [
         "Strings",
-        "Transforming",
-        "Text formatting"
+        "Transforming"
       ]
     },
     {
       "uuid": "3e86c66d-c66e-4e28-834d-09b33b2ee2d2",
       "slug": "react",