G Major 7th (♭5) :: G B D♭ F♯

B
F♯
D
A
3
7
G
♭5
3
7
♭5
3
G
7
♭5
G
3
7
G
♭5
⬤ ⬤
3
7
⬤ ⬤
A Minor 7th :: A C E G

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