C Augmented 7th (♭9)
::
C
E
G♯
B♭
D♭
G
D
A
E
3
♯5
♭7
3
⬤
♭7
C
⬤
♭9
♯5
⬤
C
⬤
♭9
♯5
♭7
⬤
3
⬤
♭7
C
⬤
3
♭9
⬤
C
♭9
♯5
⬤ ⬤
3
⬤ ⬤