How do I extract the first 2 elements of an array and add to end

__DATA__

1234

5678

1000

1233

$file="abc.txt";
open (DAT, "<$file")|| die("Cannot Open File");
@array = <DAT>;
close (DAT);

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The output should be:

print @newarray

123412

567856

100010

123312

In reply to Array manipulation by PetreAdi

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