8 lines
302 B
Text
8 lines
302 B
Text
ProvidedSet = {"ABCD" , "CABD" , "ACDB" , "DACB" , "BCDA" , "ACBD",
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"ADCB" , "CDAB", "DABC", "BCAD" , "CADB", "CDBA" , "CBAD" , "ABDC",
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"ADBC" , "BDCA", "DCBA" , "BACD", "BADC", "BDAC" , "CBDA", "DBCA", "DCAB"};
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Complement[StringJoin /@ Permutations@Characters@First@#, #] &@ProvidedSet
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->{"DBAC"}
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