Challenge accepted. For better or worse, I am using "math" when it comes to this problem (this problem clearly generalizes).
sub c{print"@{$_[0]} <=> @{$_[1]}: -/+1 if left/right heavier, 0 if eq
+ual: ";<>}
sub b{$_[0]<13?$_[0]:26-$_[0]} sub a{2>($_[0]+($_[0]>11))%4} sub d{sor
+t{$a<=>$b}
map b($_),grep{a($_)&&$_[1]==int($_%3**$_[0]/3**$_[0]*3)}1..25}$;+=3**
+$_/3*(1+c(
[d($_,0)],[d($_,2)]))for 1..3;print b($;)." is ".(a($;)?"heavi":"light
+")."er\n";
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