mg S 1 mg S 2 mg S 4 mg S 8 mg S 16 mg A 1 mg A 2 mg A 4 mg A 8 mg A 16 mg A 32 mg A 64 mg A 128 mg B 1 mg B 2 mg B 4 mg B 8 mg B 16 mg B 32 mg B 64 mg B 128 mg C 1 mg C 2 mg C 4 mg C 8 mg C 16 mg C 32 mg C 64 mg C 128