Anonymous ID: fad36b Jan. 8, 2018, 8:46 p.m. No.257805 🗄️.is 🔗kun >>7866 >>6702 Question if in picture 3 and 4 we are to do BECZ-1= ADDY should it truly be BECZ-1 = ADBY because in pictures you are going back one letter but on the C you added 1 instead of subtracting?? Please advise