Here is the XML code:
NODE A 1 1 rectangle hint to A NODE B 1 2 rectangle hint to B graph2 NODE C 1 3 rectangle hint to C node1 node2 0 hint to edge 1 node2 node3 0 hint to edge 2 @ 2 1 circle hint NODE D 1 2 rectangle hint to D NODE E 3 2 rectangle hint to E + 2 3 circle hint node4 node5 0 hint to edge node4 node6 0 hint to edge node5 node7 0 hint to edge node6 node7 0 hint to edge 2
Points to note: