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♭
⬤ ⬤
⬤ ⬤
F Major :: F A C

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