Stuck on top left for 3 days-doing my head in! Help gratefully received with thanks in advance. 1ac.Semi-Christian sect apt to leave Anbaptists confused(8) ?S?B????./ 4d.Computer program with ciphers inserted after(5) ??O?P./ 5d. Traditional entitlement to hold court in society(3) ??C. The 6th and 7th letters of 1ac provide the first letters of the down clues.