interesting gonna take a long time sometimes that's shown to be a bit more effective on your explore by putting random is on the whate near no network not only kind of consistently deviate in one way or the other so the good example for the thing on the right works better than thing on the left is let's say is posted for explore a hallway but when I'm left with random walk left right will take very long to get to the end of the hallway and explore both ends of the hallway the one on the right would induce a bias to mark to the right and