Averaged mean curvature flow
Main diameter = 5, neck diameter =1, length = 5+pi, time step = 0.01
The initial configuration.
after 0 steps 		After 100 time steps.
after 100 steps
After 200 time steps.
after 200 steps 		After 300 time steps.
after 300 steps
After 500 time steps.
after 500 steps 		After 750 time steps.
after 750 steps
After 1000 time steps.
after 1000 steps 		After 1500 time steps.
after 1500 steps
After 2000 time steps.
after 2000 steps 		After 3000 time steps.
after 3000 steps