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Given the string: "GGCTTTCCGTTGTTGCTGGGTGTGGGGGGCGGGCGAGATTGGAAGAGCACA
+CGTCTGAACTCCAGTCACG".
"CCAATATCTCGTATGCCGTCTTCTGCTTGAAAAAAGGGGTGGGGGGGAGGGGGGGCGGGGGGGGGGGGG
+GGAGGGGGGGAG", please explain in english what you want to accomplish.
+ I have no idea what this means

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#!/usr/bin/perl
use strict;
...
GGCTTTCCGTTGTTGCTGGGTGTGGGGGGCGGGCGAGATTGGAAGAGCACACGTCTGAACTCCAGTCACG
+CCAATATCTCGTATGCCGTCTTCTGCTTGAAAAAAGGGGTGGGGGGGAGGGGGGGCGGGGGGGGGGGGG
+GGAGGGGGGGAG