G Dominant 7th (♭5) :: G B D♭ F

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

B
F♯
D
A
C
5
3
C
3
5
C
3
5
3
C
5
⬤ ⬤
⬤ ⬤