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
⬤ ⬤
A Minor 6th :: A C E F♯

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