[(20, 26), (20, 39), (41, 0), (1, 3), (1, 2), (0, 1), (0, 4), (3, 5), (3, 6), (2, 10), (2, 15), (5, 11), (5, 7), (4, 13), (4, 12), (7, 9), (7, 8), (6, 11), (6, 37), (9, 14), (9, 40), (8, 29), (8, 36), (11, 33), (10, 32), (10, 30), (13, 21), (13, 23), (12, 17), (12, 16), (15, 19), (15, 35), (14, 18), (14, 22), (17, 24), (17, 28), (16, 20), (16, 34), (19, 31), (19, 27), (18, 25), (18, 38)]
[(20, 26), (20, 39), (41, 0), (1, 3), (1, 2), (0, 1), (0, 12), (3, 5), (3, 6), (2, 10), (2, 15), (5, 11), (5, 7), (4, 13), (4, 38), (7, 9), (7, 8), (6, 11), (6, 37), (9, 14), (9, 40), (8, 29), (8, 36), (11, 33), (10, 32), (10, 30), (13, 21), (13, 23), (12, 17), (12, 16), (15, 19), (15, 35), (14, 18), (14, 22), (17, 24), (17, 28), (16, 20), (16, 34), (19, 31), (19, 27), (18, 25), (18, 4)]
