examples: Restoring old examples that can be restored and fixing existing ones
diff --git a/examples/topologies/topo-load-balancer.txt b/examples/topologies/topo-load-balancer.txt
index f05ec96..15cee4c 100644
--- a/examples/topologies/topo-load-balancer.txt
+++ b/examples/topologies/topo-load-balancer.txt
@@ -1,23 +1,23 @@
# topo-load-balancer.txt
#
-# /----\
-# |CSU |
-# <----> |HUB | <---->
-# ^ \----/ ^
+# /-----\
+# | CSU |
+# +-----> | HUB | <----+
+# | \-----/ |
# | | 1Mbps/10ms delay
# v v
-# /----\ /--------\
-# |UCLA| |Consumer|
-# | HUB| | CSU-1 |
-# <----> \----/ <----> \--------/
-# ^ ^
-# | |
-# v v
-# /--------\ /--------\
-# |Producer| |Producer|
-# | UCLA-1 | | UCLA-2 |
-# \--------/ \--------/
+# /------\ /----------\
+# | UCLA | | Consumer |
+# | HUB | | CSU-1 |
+# +-----> \------/ <-----+ \----------/
+# | |
+# | |
+# v v
+# /----------\ /----------\
+# | Producer | | Producer |
+# | UCLA-1 | | UCLA-2 |
+# \----------/ \----------/
#
# any empty lines and lines starting with '#' symbol is ignored