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1. n=3 (1 2) (2 1)
(1 2 3) (2 1 3)
(1 3 2) (2 3 1)
(3 1 2) (3 2 1)
2. n=4 (123) (132) (312) (321) (231) (213)
(1234) (1324) (3124) (3214) (2314) (2134)
(1243) (1342) (3142) (3241) (2341) (2143)
(1423) (1432) (3412) (3421) (2431) (2413)
(4123) (4132) (4312) (4321) (4231) (4213)
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