F Major 6th :: F A C D

G
D
A
E
6
3
F
3
F
5
5
6
3
6
3
F
5
F
5
6
⬤ ⬤
6
3
⬤ ⬤
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
⬤ ⬤