Solution code: The age of the twins plus the blackened cells outside the loop.
on 14. January 2023, 09:34 by saskia-daniela
@TJReds: The age plus the number of black cells (in the tapa) that are also outside the loop in the other grid.
on 17. August 2022, 20:24 by Drawoon
penpa+: https://tinyurl.com/2otq5s2s
on 18. January 2013, 00:01 by sf2l
perhaps the solution changes with the time. The twins are now two and a half year older than when the puzzle was published.
on 5. April 2012, 19:06 by saskia-daniela
Ja, aber es geht um "die Schwarzfelder" ausserhalb des Rundwegs ;-)
on 11. July 2010, 11:33 by geibthor
@cornuto: ausserhalb !!
on 27. June 2010, 12:14 by Richard
Congratulations with this very nice age! ;-)
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