G Major 7th (♭5) :: G B D♭ F♯

F
C
G
D
G
7
♭5
G
3
7
G
3
7
♭5
G
♭5
3
3
7
♭5
⬤ ⬤
G
⬤ ⬤
D Minor 6th :: D F A B

F
C
G
D
♭3
D
D
5
♭3
5
6
♭3
6
D
5
D
5
6
♭3
6
⬤ ⬤
♭3
D
⬤ ⬤