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