C Major 7th (♭5) :: C E G♭ B

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

G
D
A
E
3
7
F
3
7
F
5
5
3
3
7
F
5
7
F
5
⬤ ⬤
3
7
⬤ ⬤