• the definition of the printGroups subroutine
• how @lists are populated
• what's inside %group
• strict as $filtered and @filtered are two different variables

The problem might be that uniq is called on @lists , not just $list . It's not clear, though, whether you want to have unique paragraphs per list, or across all the lists. In the second case, you should populate the @filtered array outside of the loop.

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,
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