--- gbrainy-1.61/src/Games/Logic/PuzzleExtraCircle.cs.orig	2011-01-06 22:38:23.000000000 +0700
+++ gbrainy-1.61/src/Games/Logic/PuzzleExtraCircle.cs	2011-01-18 18:47:30.000000000 +0700
@@ -43,7 +43,7 @@
 		{
 			public Color [] Colors {get; set; }
 
-			public CircleParameters (Color [] colors)
+			public CircleParameters (Color [] colors) : this()
 			{
 				Colors = colors;
 			}