[(2, 3), (2, 8), (4, 8), (4, 5), (6, 5), (6, 12), (5, 11), (3, 11), (2, 12), (2, 24), (4, 24), (4, 21), (5, 22), (6, 21), (6, 28), (5, 27), (3, 27), (2, 28), (2, 34), (4, 34), (4, 30), (5, 31), (7, 31), (8, 30), (8, 18), (4, 18), (4, 14), (5, 15), (7, 15), (8, 14), (8, 3), (7, 2)]
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