A Minor 7th (♭5) :: A C E♭ G

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