Adding sequence number tracer
diff --git a/examples/synthetic-topology.txt b/examples/synthetic-topology.txt
index a5c5446..260f6ab 100644
--- a/examples/synthetic-topology.txt
+++ b/examples/synthetic-topology.txt
@@ -16,9 +16,9 @@
#OSPF weight on 04/10/2003 (see http://www.abilene.iu.edu/images/Ab-IGP-topo.jpg)
#x y capacity(kbps) OSPF Delay MaxPackets
c1 n1 10Mbps 1 50ms 200
-c2 n1 10Mbps 1 1ms 200
-c3 n1 10Mbps 1 1ms 200
-n1 n2 1Mbps 1176 1ms 20
+c2 n1 10Mbps 1 10ms 200
+c3 n1 10Mbps 1 100ms 200
+n1 n2 1Mbps 1176 20ms 20
n1 n12 1Mbps 587 1ms 20
n12 n2 1Mbps 846 1ms 20
n2 p1 10Mbps 260 1ms 200