Tales of the world Radiant Mythology 3: Brownie Mines 6th Floor 8 Buttons Puzzle Open the 1st Door

Tales of the world Radiant Mythology 3: Brownie Mines 6th Floor 8 Buttons Puzzle, this 8 buttons puzzle is freak'in me out, i will show you how to do it.

This is the buttons:
oOooooOo

o = press
O = unpressed

First you must press the two unpressed buttons.

After pressing the two buttons it should look like this:
OoOooOoO

And then press the first and the last button to open the door, there you go.

This is the final set of buttons:

oOOooOOo