I have to agree. Why not start out more similar to the ARRC right off the bat?

ITA, IT7
TCC, ITR, ITS, ITE
ITB, ITC
SM
SRF

Or if I were God for a day, this is what I would do:

ITA, ITC. IT7
ITR, ITS, ITB
TCC, ITE
SM
SRF

or

ITA, ITC, IT7
ITS, ITB
TCC, ITE, ITR
SM
SRF