C Major 7th (♭5) :: C E G♭ B

B
F♯
D
A
7
♭5
C
3
7
C
♭5
3
7
C
♭5
3
7
♭5
3
C
⬤ ⬤
7
♭5
⬤ ⬤
F Minor 6th :: F A♭ C D

B
F♯
D
A
6
5
♭3
6
F
5
6
F
5
♭3
6
F
♭3
5
F
♭3
⬤ ⬤
6
⬤ ⬤