C Major :: C E G

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

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