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How is the permutation product of N-ary permutation group calculated in the algebraic structure of discrete mathematics? For example, (123) (234) (14) (24) = S4 in 4 yuan symmetric group?
( 134)

Look from right to left. 1 4, 4 to 2, 2 to 3. So 1 finally reaches 3.

Three to four, gone, so three to four.

4 to 2, 2 to 3 and 3 to 1, so 4 finally reaches 1.

Two to four, four to two, gone.

So 134

Individual textbooks are from left to right, similar to the algorithm.