to two others with a B instead of a B:

# A-B-C-D-E-F-G-A was described as D-E-F-G-A-B-C-D (the modern Aeolian modes whose reference notes are A and D, respectively, corresponding to the Aeolian modes of C major and F major, respectively)
# C-D-E-F-G-A-B-C was described as F-G-A-B-C-D-E-F (the modern Ionian modes whose reference notes are C and F, respectively,