===================================================================
--- original.js
+++ change.js
@@ -10,10 +10,10 @@
 	var spawnBubble = function () {
 		for (var i = 0; i < 9; i++) {
 			for (var j = 0; j < 9; j++) {
 				var newBubble = new Bubble();
-				newBubble.x = i * newBubble.width;
-				newBubble.y = j * newBubble.height;
+				newBubble.x = i * (newBubble.width + 4);
+				newBubble.y = j * (newBubble.height + 4);
 				bubbles[i][j] = newBubble;
 				self.addChild(newBubble);
 			}
 		}