Returns the longest noncontiguous subsequence common to two strings or lists
LongestCommonSequence[s1, s2]
LongestCommonSequence[ "AAABBBBCCCCC", "CCCBBBAAABABA"]
→ AAABBLongestCommonSequence[{"A", "B", "C", "D"}, {"B", "C", "A", "D"}]
→ {B, C, D}LongestCommonSequence[BioSequence["DNA", "CCTTGCGCA"], BioSequence["DNA", "CCGTTGGCG"]]
→ BioSequence["DNA", "CCTTGCG"]