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deleted 130 characters in body

edited Jan 30, 2017 at 21:02

Jelly, 4 5 bytes

Ṣm0ẇ@

Originally was Ṣm0w at four bytes.

Ṣm0ẇ@ Input: string S Ṣ Sort S m0 Concatenate sort(S) with reverse(sort(S)) ẇ@ Sublist exists? Check if S is contained in the previous result

answered Jan 30, 2017 at 19:05