Bass : all images are oriented horizontally
Middle C middle 1/3 of bottle
B 1/3 of right
A 1/3 of left
G 1/3 of left elongate
F 1/3 of right elongate
E 1/2 of left
D 1/2 of right
C middle 2/3 of bottle
B 2/3 of right
A 2/3 of left
G upper half, 3/5 of right, elongate
F upper half, 3/5 of left, elongate
E bottom half, 3/5 of right, elongate
D bottom half, 3/5 of left, elongate

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