在每三个具有奇数和的项周围加上括号:
(1, 2, 4), (6, 8, 3), 1, 2, (5, 7, 9), 4, (11, 13, 15), 6, (17, 19, 21), 8, 3, 1, 2, 5, 7, (10, 23, 12), 9, (25, 14, 16), 4, (18, 20, 27), 11, (22, 29, 24), 13, 15, 6, 17, 19, (26, 31, 28), 21, (33, 30, 32), 8, (34, 36, 35), 3, (38, 37, 40), 1, (39, 42, 44), 2,...
删除所有带括号的内容会产生
(...), (...), 1, 2, (...), 4, (...), 6, (...), 8, 3, 1, 2, 5, 7, (...), 9, (...), 4, (...), 11, (...), 13, 15, 6, 17, 19, (...), 21, (...), 8, (...), 3, (...), 1, (...), 2,...
我们看到剩下的项慢慢地重建了开始的顺序。