Octave Jamming With Drone Tones

x 5 5 6 6 8 8                        11
x 0 0 0 0 0 0                         0--drone tone
x 2 2 3 3 5 5                         8
x              0 0
x                         0
x                                  0


x
x
x
x 4 6 8 9
x 0 0 0 0--drone tone
x 2 4 6 7