diff --git a/flutter/lib/curve_painter.dart b/flutter/lib/curve_painter.dart
index 4363d0b..2680cc7 100644
--- a/flutter/lib/curve_painter.dart
+++ b/flutter/lib/curve_painter.dart
@@ -246,6 +246,7 @@ class CurvePainter extends CustomPainter {
 
   void _drawDFS(Canvas canvas) {
     if (dfsAccessTable != null) {
+      print("nn");
       for (int i = 0; i < dfsAccessTable!.length; i++) {
         if (dfsAccessTable![i]) {
           _drawDot(canvas, _off[i + 1]!, 8, Colors.green.shade500);
@@ -294,36 +295,3 @@ class CurvePainter extends CustomPainter {
     return true;
   }
 }
-
-/*void _pringArr(Canvas canvas, Size size) {
-  TextSpan textSpan;
-  TextPainter textPainter;
-  Path path;
-
-  // The arrows usually looks better with rounded caps.
-  Paint paint = Paint()
-    ..color = Colors.black
-    ..style = PaintingStyle.stroke
-    ..strokeCap = StrokeCap.round
-    ..strokeJoin = StrokeJoin.round
-    ..strokeWidth = 3.0;
-
-  /// Draw a single arrow.
-  path = Path();
-  path.moveTo(size.width * 0.25, size.height * 0.10);
-  path.relativeCubicTo(0, 0, size.width * 0.25, 50, size.width * 0.5, 0);
-  path = ArrowPath.make(path: path);
-  canvas.drawPath(path, paint..color = Colors.blue);
-
-  textSpan = const TextSpan(
-    text: 'Single arrow',
-    style: TextStyle(color: Colors.blue),
-  );
-  textPainter = TextPainter(
-    text: textSpan,
-    textAlign: TextAlign.center,
-    textDirection: TextDirection.ltr,
-  );
-  textPainter.layout(minWidth: size.width);
-  textPainter.paint(canvas, Offset(0, size.height * 0.06));
-}*/