C Major 7th (♭5) :: C E G♭ B

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

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