Hevacomp Electrical systems - Twin and earth cable for 3phase

Hi,

I am working on a project where a contractor has used 2No 4mm twin and earth cables to feed a 32A TP&N 5pin socket. 

I need to run a cable calc to reflect his installtion. Is it possible, using Hevacomp Connect, to run a cable calc based on the above. In reality there will be 3No 4mm live conductors, 1No 4mm neutral conductor and 1core as earth