C Diminished :: C E♭ G♭

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

B
F♯
D
A
3
7
B♭
3
7
5
B♭
3
5
7
3
B♭
5
7
B♭
5
⬤ ⬤
3
7
⬤ ⬤