A Dominant 7th (♭5) :: A C♯ E♭ G

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

B
F♯
D
A
C
5
3
C
3
5
C
3
5
3
C
5
⬤ ⬤
⬤ ⬤