public override List <DecodedFrame> GenerateFrames() { var res = new List <DecodedFrame>(); int shift = 0; for (int k = 1; k <= 39; k++) { if (k > 12) { shift++; } var f = new DecodedFrame(); for (int i = -23 + k; i < -11 + k; i++) { for (int j = 0; j < 12; j++) { PlaceSquare(f, (i + 2 * j) % 2 == 0 ? 1 : 2, i + j, j); } } f.Layer1Color = LayerColor.BlackWhite; f.Layer2Color = LayerColor.Blue; f.SetImage(null, true); f.CreateThumbnail(); res.Add(f); } return(res); }