twitter bootstrap - button-group in horizontal and vertical -

i want resposive view of buttons in bootstrap. that:

[button1] [button3] [button5] [button2] [button4] [button6] 

and on phone:

[button1] [button2] [button3] [button4] [button5] [button6] 

as user clicked in 1 button should set active, others inactive.

you can use 1 http://jsbin.com/dohanivo/1 , in example used 4 column lg,md , sm , 12 column xs devices.