I'm not sure what hand position you're using, but on the keyboard I'm at right now, I put my left little finger on control, and use my left index finger for the

I'm not sure what hand position you're using, but on the keyboard I'm at right now, I put my left little finger on control, and use my left index finger for the c/v. Do you mean that you're using your thumb for control and index for c/v?