C Augmented 7th
::
C
E
G♯
B♭
⨉
F
C
G
D
C
♯5
3
⬤
♯5
♭7
⬤
3
⬤
♭7
C
⬤
♯5
⬤
C
⬤
♯5
♭7
⬤
3
⬤
♭7
C
3
⬤ ⬤
C
⬤ ⬤
C
E
C Major 13th
::
C
E
G
B
D
F
A
⨉
F
C
G
D
11
C
5
9
5
9
13
3
⬤
11
⬤
13
3
7
⬤
11
C
5
⬤
7
⬤
C
5
9
13
⬤
⬤
9
13
3
7
⬤
11
C
3
7
⬤ ⬤
11
C
5
9
⬤ ⬤