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
⬤ ⬤
B Major :: B D♯ F♯

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