Anybody out there who can help us out ?

We need to find a solution to control the 4 decks in traktor pro 1.2 with 2 vestax vci 100 SE.
- meaning controlling deck A&B with one Vestax vci 100 and deck C&D with a second Vestax vci 100.
Is there an existing TSI file ?
If not, is there a trick, or a simple modification to do in Ean's mapping ?

Thank you in advance for your help.