Question: Prove the language is not regular: L = {x1#x2#x3 | x1 = x2^R or x1 = x3^R} (R is reverse of the string)

Prove the language is not regular: L = {x1#x2#x3 | x1 = x2^R or x1 = x3^R} (R is reverse of the string)

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