@Kisse
Here is the Cubase Drum Map. The center of the switcheroo is D3 (MIDI note 62).
Left Handed Keyboard Map.zip (2.4 KB)
The notes in the editors will look in the right handed way. It is really only the output from Cubase that gets changed.
I just tried playing for a little bit and it is amazing how fast my brain was able to perform the switch.