2024-12-10 Thanks to Rook for making the panels for Eisbahn (also known as Icebarn) and for detecting a mistake in the implementation, meanwhile corrected! (to be released on Dec. 26) 2024-12-27 Two missing constraints were added, detected by PinkHoodie who sent two great test cases, and, in addition, two rollout puzzles. Thank you! 2024-12-28 A rollout companion Eisbahn puzzle was sent by PinkHoodie - thank you!