Instructions: Your aim is to connect the nodes of the graph so all nodes have value of zero.
To connect nodes just draw a line (using mouse) from first node to the second node.
To delete link between nodes, Just draw line the cut through the link.
<a href="http://www.funpuzzlesgames.eu/index.php?og=Connect%3E%3E%3E%3E7677d5fda8bfbea4&ogc=Puzzles" target="_blank">Connect</a>