[(20, 3), (16, 7), (9, 7), (13, 11), (9, 15), (16, 15), (20, 19), (24, 15), (31, 15), (27, 11), (31, 7), (24, 7)]
left_down, 3
left, 6
right_down, 3
left_down, 3
right, 6
right_down, 3
right_up, 3
right, 6
left_up, 3
right_up, 3
left, 6
left_up, 3
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