The total underground plan encloses an orthogonally connected region. This region is devided by the lines exactly into the 12 pentominos. The pentominos may be rotated and/or mirrored.
Example, using the pentominos, L, P and T:
Solution code: The hint numbers of row 5 from left to right, followed by the letters of the pentominos which are passed by the border between column 7 and 8 from top to bottom (every letter only once).
on 14. August 2023, 12:09 by Piatato
Great fun, really cool idea!
on 6. May 2023, 02:38 by filuta
such a cool idea, thanks!
on 5. May 2023, 17:04 by glum_hippo
Sehr schönes Rätsel, aber Aufmschlauchsteherei gehört durchaus zum beruflichen Risiko
on 3. December 2019, 22:04 by ibag
Description of solution code changed.
on 21. February 2012, 21:52 by pin7guin
Es ging langsam, aber stetig - und immer logisch lösbar - voran. Danke, Gabi!
(Auch wenn Pentominorätsel nie meine Lieblingsrätsel werden werden.)
on 2. February 2012, 04:54 by kiwijam
Great idea, thank you!
on 21. January 2012, 19:22 by r45
Ganz große Klasse, auch für einen Wettbewerb geeignet.
on 21. January 2012, 14:50 by Mody
Schöne kreative Variante
on 20. January 2012, 17:51 by Statistica
Sehr hübsch, aber ich fand's auch schwierig!
on 19. January 2012, 22:12 by Alex
wieder einmal sehr kreativ und logisch aufgebaut.
on 19. January 2012, 21:33 by rob
Hübsch, und schön flüssig zu lösen. Danke!