diff --git a/lib/src/Simulation.dart b/lib/src/Simulation.dart
index dfcf2bd..8341944 100644
--- a/lib/src/Simulation.dart
+++ b/lib/src/Simulation.dart
@@ -38,40 +38,6 @@ class Simulation {
     return map;
   }
 
-  void addRandomPattern({int seed, int amount, num spreadFromCenter}) {
-    math.Random rng = _getRNG(seed ?? DateTime.now().millisecondsSinceEpoch);
-    amount ??= rng.nextInt(_RANDOM_PATTERN_AMOUNT);
-    spreadFromCenter ??= _RANDOM_PATTERN_SPREAD_FROM_CENTER;
-
-    int sanityCheck = 0;
-    Map<int, bool> changeSet = {};
-    for (var i = 0; i < (amount); i++) {
-      sanityCheck++;
-      math.Point cell = _getRandomPoint(rng, spreadFromCenter);
-      map.get(cell.x, cell.y)
-          ? i--
-          : changeSet[map.toIndex(cell.x, cell.y)] = true;
-      if (sanityCheck > 100 && sanityCheck > i * 3) break;
-    }
-    mergeStateChanges(changeSet);
-  }
-
-  math.Random _getRNG(int seed) {
-    math.Random rng = new math.Random(seed);
-    return rng;
-  }
-
-  math.Point<int> _getRandomPoint(math.Random rng, num spreadFromCenter) {
-    math.Point absoluteSpread =
-        math.Point(map.width * spreadFromCenter, map.height * spreadFromCenter);
-    math.Point center = math.Point(map.width / 2, map.height / 2);
-    num cx = rng.nextInt(absoluteSpread.x.toInt()) +
-        (center.x - absoluteSpread.x / 2);
-    num cy = rng.nextInt(absoluteSpread.y.toInt()) +
-        (center.y - absoluteSpread.y / 2);
-    return math.Point<int>(cx.toInt(), cy.toInt());
-  }
-
   void toggleCell(int x, int y) {
     map.set(x, y, !map.get(x, y));
   }
@@ -117,6 +83,40 @@ class Simulation {
     return count;
   }
 
+  void addRandomPattern({int seed, int amount, num spreadFromCenter}) {
+    math.Random rng = _getRNG(seed ?? DateTime.now().millisecondsSinceEpoch);
+    amount ??= rng.nextInt(_RANDOM_PATTERN_AMOUNT);
+    spreadFromCenter ??= _RANDOM_PATTERN_SPREAD_FROM_CENTER;
+
+    int sanityCheck = 0;
+    Map<int, bool> changeSet = {};
+    for (var i = 0; i < (amount); i++) {
+      sanityCheck++;
+      math.Point cell = _getRandomPoint(rng, spreadFromCenter);
+      map.get(cell.x, cell.y)
+          ? i--
+          : changeSet[map.toIndex(cell.x, cell.y)] = true;
+      if (sanityCheck > 100 && sanityCheck > i * 3) break;
+    }
+    mergeStateChanges(changeSet);
+  }
+
+  math.Random _getRNG(int seed) {
+    math.Random rng = new math.Random(seed);
+    return rng;
+  }
+
+  math.Point<int> _getRandomPoint(math.Random rng, num spreadFromCenter) {
+    math.Point absoluteSpread =
+        math.Point(map.width * spreadFromCenter, map.height * spreadFromCenter);
+    math.Point center = math.Point(map.width / 2, map.height / 2);
+    num cx = rng.nextInt(absoluteSpread.x.toInt()) +
+        (center.x - absoluteSpread.x / 2);
+    num cy = rng.nextInt(absoluteSpread.y.toInt()) +
+        (center.y - absoluteSpread.y / 2);
+    return math.Point<int>(cx.toInt(), cy.toInt());
+  }
+
   void render(html.CanvasElement canvas, [num interp]) {
     // only renders if any cells changed between renders
     if (!dirty) return;