source -> destination
source -> auxilliary
destination -> auxilliary
source -> destination
auxilliary -> source
auxilliary -> destination
source -> destination
source -> auxilliary
destination -> auxilliary
destination -> source
auxilliary -> source
destination -> auxilliary
source -> destination
source -> auxilliary
destination -> auxilliary
source -> destination
auxilliary -> source
auxilliary -> destination
source -> destination
auxilliary -> source
destination -> auxilliary
destination -> source
auxilliary -> source
auxilliary -> destination
source -> destination
source -> auxilliary
destination -> auxilliary
source -> destination
auxilliary -> source
auxilliary -> destination
source -> destination