tracks/scala/config.json in trackler-2.0.6.0 vs tracks/scala/config.json in trackler-2.0.6.1

@@ -380,15 +380,22 @@
 		},
     {
       "slug": "sieve",
       "difficulty": 1,
       "topics": [
+        "Filtering",
+        "Mathematics",
+        "Lists"
       ]
 		},
     {
       "slug": "simple-cipher",
       "difficulty": 1,
       "topics": [
+        "Optional values",
+        "Strings",
+        "Algorithms",
+        "Transforming"
       ]
 		},
     {
       "slug": "change",
       "difficulty": 1,