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open my $f1, '<', \<<''; string1 (C)C(T)A ... print "$k $_\n"; } }
string1 (C)C(T)A string1 (C)C(C)A ... string2 T(C)GG(A)GGG(A) string2 T(C)GG(T)GGG(G) string2 T(C)GG(T)GGG(A)