@InProceedings{almanza_et_al:LIPIcs.FUN.2018.4,
  author =	{Almanza, Matteo and Leucci, Stefano and Panconesi, Alessandro},
  title =	{{Tracks from hell - when finding a proof may be easier than checking it}},
  booktitle =	{9th International Conference on Fun with Algorithms (FUN 2018)},
  pages =	{4:1--4:13},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-067-5},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{100},
  editor =	{Ito, Hiro and Leonardi, Stefano and Pagli, Linda and Prencipe, Giuseppe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FUN.2018.4},
  URN =		{urn:nbn:de:0030-drops-87954},
  doi =		{10.4230/LIPIcs.FUN.2018.4},
  annote =	{Keywords: puzzle games, solitaire games, Trainyard, verification}
}