C Dominant 7th (♭5)
::
C
E
G♭
B♭
G
D
A
E
B
3
♭7
C
3
♭5
⬤
♭7
C
⬤
♭5
⬤
C
3
⬤
♭7
⬤
3
♭5
⬤
♭7
C
⬤
3
♭5
⬤
C
♭5
♭7
⬤ ⬤
3
⬤ ⬤