B♭ Diminished 7th :: B♭ D♭ F♭ G

F
C
G
D
𝄫7
♭3
𝄫7
♭5
B♭
♭5
B♭
𝄫7
♭3
𝄫7
♭3
B♭
♭5
B♭
♭5
♭3
⬤ ⬤
𝄫7
⬤ ⬤
F Major :: F A C

F
C
G
D
F
5
3
F
3
F
5
5
3
3
F
5
⬤ ⬤
F
5
⬤ ⬤