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C Dominant 7th (♭5) :: C E G♭ B♭

A
E
C
G
3
C
♭7
♭5
C
♭7
3
C
♭7
♭5
3
C
♭5
3
♭7
♭5
⬤ ⬤
3
C
⬤ ⬤
G♭
A♭ Minor 7th (♭5) :: A♭ B D G♭

A
E
C
G
A♭
♭3
♭7
♭5
A♭
♭3
♭5
♭7
♭3
♭5
A♭
♭7
♭5
A♭
♭3
♭7
⬤ ⬤
⬤ ⬤
A♭
B♭ Minor 11th :: B♭ D♭ F A♭ C E♭

A
E
C
G
9
B♭
5
♭3
♭7
9
11
B♭
♭3
♭7
5
9
11
B♭
♭3
5
9
♭7
11
♭3
B♭
5
♭7
11
⬤ ⬤
9
⬤ ⬤