diff --git a/src/ILP.py b/src/ILP.py
index ca3b2e7..355a9dc 100644
--- a/src/ILP.py
+++ b/src/ILP.py
@@ -53,11 +53,11 @@ def imp(name, cond, vals): # c[i] >= 0  ===>  v[i] >= 0
     for e1, (s1, t1, _) in graph.edge.items():
         for e2, (s2, t2, _) in graph.edge.items():
             if graph.node[s1][y] > graph.node[s2][y] > graph.node[t1][y]:
-                # crossY = [node[t1,y] - node[s2,y] -1, node[t2,y] - node[t1,y] -1]
                 e1GTs2 = node[s1] + edge[e1] - node[s2]
+                e1GTt2 = node[s1] + edge[e1] - node[t2]
 
-                m.addConstr(imp(f'R {e1} {e2}', [ edge[e1]], [ e1GTs2 -1]))
-                m.addConstr(imp(f'L {e1} {e2}', [-edge[e1]], [-e1GTs2 -1]))
+                m.addConstr(imp(f'R {e1} {e2}', [ edge[e2],  e1GTs2], [ e1GTt2 -1]))
+                m.addConstr(imp(f'L {e1} {e2}', [-edge[e2], -e1GTs2], [-e1GTt2 -1]))
     # s.x > e.x > t.x
     for e, (s, t, _) in graph.edge.items():
         tGTs = node[t] - node[s]
diff --git a/src/graph.coffee b/src/graph.coffee
index 33b3db4..8a539aa 100644
--- a/src/graph.coffee
+++ b/src/graph.coffee
@@ -128,11 +128,14 @@ readCSV = (fileNodes, fileEdges) ->
       e++
     yield t
 
-state = new State readCSV '../data/nodes.csv', '../data/edges.csv'
+state = new State readCSV '../data/test_nodes.csv', '../data/test_edges.csv'
 
 
 for graph from state.iter()
   graph.nodes[n][0] = r for n, r of graph.ranks
+  for e, [s,t,o] of graph.edges
+    graph.edges[e]  = [t,s,o] if graph.nodes[s][0] < graph.nodes[t][0]
+
   fs.writeFileSync '../data/graphlayout.json', JSON.stringify
     'edges': graph.edges
     'nodes': graph.nodes
diff --git a/src/main.coffee b/src/main.coffee
index 862b0cd..087c48e 100644
--- a/src/main.coffee
+++ b/src/main.coffee
@@ -23,9 +23,9 @@ addNode = ([y, x]) ->
 
 addEdge = ([ys, xs], [yt, xt], offset) ->
   line1 = addLine [ys,xs], [ys,xs+offset]
-  line2 = addLine [yt+.5,xs+offset], [yt+.5,xt]
-  line3 = addLine [ys,xs+offset], [yt+.5,xs+offset]
-  line4 = addLine [yt+.5, xt], [yt, xt]
+  line2 = addLine [yt+.3,xs+offset], [yt+.3,xt]
+  line3 = addLine [ys,xs+offset], [yt+.3,xs+offset]
+  line4 = addLine [yt+.3, xt], [yt, xt]
   group [line1, line2, line3, line4]
 
 addLine = ([ys, xs], [yt, xt]) ->
@@ -46,5 +46,4 @@ for _, pos of graph.nodes
 for _, pos of graph.nodes
   addNode pos
 for _, [s, t, offset] of graph.edges
-  [s, t] = [t, s] if graph.nodes[s][0] < graph.nodes[t][0]
   addEdge graph.nodes[s], graph.nodes[t], offset
\ No newline at end of file