难题：钟在一天中有几次，分针和时针重叠
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一天24小时内时针和分针一共重叠22次，从表面看时针和分针应该一个小时重复一次，但是当时间过了11点以后的那次重叠是在12点，故总共重叠22次。
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24小时,时针走2圈,分针走24圈,分针超时针22圈,重合22次.
(1) 00:00:00, (2) 01:05:27, (3) 02:10:54, (4) 03:16:21, (5) 04:21:49, (6) 05:27:16, (7) 06:32:43, (8) 07:38:10, (9) 08:43:38, (10) 09:49:05, (11) 10:54:32, (12) 12:00:00, (13) 13:05:27, (14) 14:10:54, (15) 15:16:21, (16) 16:21:49, (17) 17:27:16, (18) 18:32:43, (19) 19:38:10, (20) 20:43:38, (21) 21:49:05, (22) 22:54:32
(1) 00:00:00, (2) 01:05:27, (3) 02:10:54, (4) 03:16:21, (5) 04:21:49, (6) 05:27:16, (7) 06:32:43, (8) 07:38:10, (9) 08:43:38, (10) 09:49:05, (11) 10:54:32, (12) 12:00:00, (13) 13:05:27, (14) 14:10:54, (15) 15:16:21, (16) 16:21:49, (17) 17:27:16, (18) 18:32:43, (19) 19:38:10, (20) 20:43:38, (21) 21:49:05, (22) 22:54:32
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