Keyboard players - Buttons Configuration?

[Mgo]

For those who use 6 buttons configuration (three up and three down) ..
What button you use in the middle-up BLOCK or RUN?

 

[psycho4rent]

my config is:
w = jump
s = duck
a = back
d =
Numpad7 = HP
Numpad8 = Block
Numpad9 = HK
Numpad4 = LP
Numpad5 = Run
Numpad6 = LK
x = Back + HP + HK + Block + Run (unlocking Hsmoke )