With Specific timings, sticky piston doesnt pull other sticky piston, facing eachother

When you make this setup:
https://www.dropbox.com/s/pj3ge6ruo0o6ftm/2013-02-15_00.30.04.png
When 1 of the sticky pistons retracts, it will not pull the other one, because the other one extends at the exact same time.