Is that your exact program? The only way I can see you getting those results would be if you interpolated the array into a string as in print "@messagebody".

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print map { my ($m)=1<<hex($_)&11?' ':'';
$m.=substr('AHJPacehklnorstu',hex($_),1) }
split //,'2fde0abe76c36c914586c';
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