Re^2: What's the answer to this puzzle? Most unique/golfed solution? (fun)

This just trims a few characters from your approach, which I think is a very good one (I couldn't find an inherently better one).

# 68 strokes
perl -E'map{say$_=$t||1;$t="";$t.=(length$&).$1while/(.)\1*/g}0..19'
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s''(q.S:$/9=(T1';s;(..)(..);$..=substr+crypt($1,$2),2,3;eg;print$..$/

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