B♭ Major 7th :: B♭ D F A

B
F♯
D
A
3
7
B♭
3
7
5
B♭
3
5
7
3
B♭
5
7
B♭
5
⬤ ⬤
3
7
⬤ ⬤
F Minor 7th :: F A♭ C E♭

B
F♯
D
A
5
♭7
♭3
F
5
♭7
F
5
♭3
♭7
F
♭3
♭7
5
F
♭3
⬤ ⬤
⬤ ⬤