The first part partitions the first 3960 characters to the wives. The second chunk uses those values and attempts to figure out how they mesh again (at ratios of 1:1, 3:2, and 2:1).

It could be considered cheating that I hard-wired the permutations of the \1, \2, and \3 part. I'll have another stab at it that has the regex engine do the permutations on its own.

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Jeff[japhy]Pinyan: Perl, regex, and perl hacker.
s++=END;++y(;-P)}y js++=;shajsj<++y(p-q)}?print:??;