C Major 7th (♭5) :: C E G♭ B

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

F
C
G
D
3
A♭
5
A♭
5
3
A♭
3
A♭
5
5
3
⬤ ⬤
3
⬤ ⬤