Essential BHH811 Style guide
A 1 B 1 2 1 2 3 4 3 4 2
D C 2 1 4 3 3 1 2 3 4 5 6 4
E F 3 5 1 2 1 4 4 5 2 4 3 5 6
H G 1 4 7 2 3 1 2 3 4 8
J I 1 4 9 2 3 1 2 3 4 5 6 10
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