I was inspired by the perlpacktut tutorial... So here goes:
@f=split//,"hackdevelopjoy";
print@f[(unpack'%B*',pack('A')).(unpack'%B*',pack('A')),
(unpack'C',pack('x')).(unpack'%B*',pack('A')),
(unpack'%B*',pack('A')).unpack('C',pack('x')),
(unpack'C',pack('x')).unpack'C',pack('x')];
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