private void ConstructTreeVisualize(StringBuilder output, int depth)
{
if (this.RightNode != null)
{
RightNode.ConstructTreeVisualize(output, depth + 1);
}
output.Append('\t', depth);
output.AppendLine(Value.ToString());
if (LeftNode != null)
{
LeftNode.ConstructTreeVisualize(output, depth + 1);
}
}