config.json in trackler-2.2.1.69

- old
+ new

@@ -866,9 +866,20 @@
       "unlocked_by": "accumulate",
       "uuid": "3741977a-adff-47bb-a9c5-c2e444805bac"
     },
     {
       "core": false,
+      "difficulty": 5,
+      "slug": "spiral-matrix",
+      "topics": [
+        "algorithms",
+        "matrices"
+      ],
+      "unlocked_by": "matrix",
+      "uuid": "52f8f299-b93b-4f44-bd5b-b445741b285d"
+    },
+    {
+      "core": false,
       "difficulty": 6,
       "slug": "tournament",
       "topics": [
         "parsing",
         "text_formatting"
\ No newline at end of file