While having multiple sequences with same sequence except one or two additional base pairs at the start or end, how to remove the duplicates (not exactly duplicates). Hope you understand my point.
Please find the following example sequences. I just need to select one sequence from the 5 sequences, the longest one COC9.
COC5 AAAAAGCAGGGTCACCTTGTGTCCTTAAA
COC6 AAAAAGCAGGGTCACCTTGTGTCCTTAAAC
COC7 AAAAAGCAGGGTCACCTTGTGTCCTTAAACC
COC8 AAAAAGCAGGGTCACCTTGTGTCCTTAAACCT
COC9 AAAAAGCAGGGTCACCTTGTGTCCTTAAACCTA
Please find the following example sequences. I just need to select one sequence from the 5 sequences, the longest one COC9.
COC5 AAAAAGCAGGGTCACCTTGTGTCCTTAAA
COC6 AAAAAGCAGGGTCACCTTGTGTCCTTAAAC
COC7 AAAAAGCAGGGTCACCTTGTGTCCTTAAACC
COC8 AAAAAGCAGGGTCACCTTGTGTCCTTAAACCT
COC9 AAAAAGCAGGGTCACCTTGTGTCCTTAAACCTA
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