[TxMt] Shortcut for last used tab

[Andreas Brodbeck]

Hi everybody

I am new to TextMate. I searched all-over, but I didn' find the answer 
to my problem:

What shortcut is there to switch to the last used editor window/tab? 
Just like Command-Tab switches to the last used application. Previously 
I worked on Windows PC, and most editors had the shortcut Ctrl-Tab to 
cycle through the last used windows.

I'm shure: There MUST be such a feature in TextMate! But where?

Thanks for help!

Andreas