/*
 * A single node of the 234-tree
 */
public class Node	{
	 public int n; 
	 public int key[]; 
	 public Node c[]; 
	 public boolean leaf; 
	 public int level; 
	 public int x;
	 public int y;
	 
	 Node()	{ 
		  c = new Node[4]; 
		  key = new int[3]; 
	 }
}