config.json in trackler-2.2.1.8

- old
+ new

@@ -684,13 +684,17 @@
     {
       "uuid": "1eb7d7b2-6367-4038-bb86-7dc6c682b6a3",
       "slug": "wordy",
       "core": false,
       "unlocked_by": null,
-      "difficulty": 1,
+      "difficulty": 3,
       "topics": [
-
+        "Parsing",
+        "Control-flow (conditionals)",
+        "Type conversion",
+        "Integers",
+        "Strings"
       ]
     },
     {
       "uuid": "5911d90f-ba2f-482f-8c92-c01c112d6fdd",
       "slug": "nucleotide-count",
@@ -704,12 +708,14 @@
     {
       "uuid": "aa598f3e-9d2b-4f9f-8c14-46e0ac27d5be",
       "slug": "grade-school",
       "core": false,
       "unlocked_by": null,
-      "difficulty": 1,
+      "difficulty": 5,
       "topics": [
-
+        "Sorting",
+        "Structs",
+        "Lists"
       ]
     },
     {
       "uuid": "62aa3d20-65d8-440f-9d08-48bbc823f4fe",
       "slug": "matrix",