C Major 7th (♭5) :: C E G♭ B

B
F♯
D
A
7
♭5
C
3
7
C
♭5
3
7
C
♭5
3
7
♭5
3
C
⬤ ⬤
7
♭5
⬤ ⬤
G Major 6th :: G B D E

B
F♯
D
A
3
5
G
6
3
5
6
3
G
5
6
G
5
3
6
G
⬤ ⬤
3
5
⬤ ⬤