B♭ Major 6th :: B♭ D F G

F
C
G
D
5
6
3
6
3
B♭
5
B♭
5
6
6
3
B♭
3
B♭
5
⬤ ⬤
5
6
3
⬤ ⬤
D
B Minor 11th :: B D F♯ A C♯ E

F
C
G
D
♭3
5
9
♭3
♭7
11
♭7
11
B
5
B
5
9
♭3
♭7
9
♭3
♭7
11
B
11
B
5
9
⬤ ⬤
♭3
⬤ ⬤