# x + y^2
# NOTE: edges are not in sorted order; testing to see if nodes
# sorted lexicographically (i.e. using the row strings)

N,node1, x, 1.0
N, node2, +, 1.0
N, node3, y, 1.0
N, node4, 2, 1.0
E,node3, node4, SUP, 1.0
E, node2,node3, HOR, 1.0
E,node1, node2, HOR, 1.0
E, node1, node3, HOR, 1.0
E, node1, node4, HOR, 1.0
E, node2, node4, HOR, 1.0



