C Major 7th (♭5) :: C E G♭ B

B
F♯
D
A
7
♭5
C
3
7
C
♭5
3
7
C
♭5
3
7
♭5
3
C
⬤ ⬤
7
♭5
⬤ ⬤
D Major 9th :: D F♯ A C♯ E

B
F♯
D
A
3
D
5
7
9
D
5
3
7
9
D
3
7
5
9
D
3
5
9
7
⬤ ⬤
3
D
5
⬤ ⬤