C Minor 7th (♭5) :: C E♭ G♭ B♭

A
E
C
G
C
♭7
♭5
C
♭3
♭7
C
♭3
♭7
♭5
C
♭3
♭5
♭7
♭3
♭5
⬤ ⬤
C
⬤ ⬤