  
  
  [1m[4m[31mReferences[0m
  
  [33m[LoydFifteenWeb]     [0m[1m[31mBogomolny,     A.    [0m,    [34mSam    Loyd's    Fifteen[0m,
  [http://www.cut-the-knot.org/pythagoras/fifteen.shtml]
  
  [33m[XGAP]  [0m[1m[31mCeller, F. and Neunhöffer, M. [0m, [34mXGAP, a graphical user interface
  for            GAP[0m,            Version           4.21,           (2004),
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  [33m[PegSolitaireWeb]       [0m[1m[31mKöller,       J.      [0m,      [34mPeg      Solitaire[0m,
  [http://www.mathematische-basteleien.de/solitaire.htm]
  
  [33m[RubiksCubeWeb]       [0m[1m[31mKöller,       J.       [0m,       [34mRubik's       Cube[0m,
  [http://www.mathematische-basteleien.de/rubikscube.htm]
  
  [33m[GAPDoc]  [0m[1m[31mLübeck, F. and Neunhöffer, M. [0m, [34mGAPDoc, A Meta Package for GAP
  Documentation[0m,            Version            0.99999,            (2006),
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  [33m[HistGames]  [0m[1m[31mO'Connor,  J.  J.  and  Robertson, E. F. [0m, University of St
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  [33m[RubiksCubeGAPWeb]  [0m[1m[31mSchönert,  M.  [0m,  [34mAnalyzing  Rubik's  Cube with GAP[0m,
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  [33m[NCursesWeb]           [0m[34mThe          ncurses          C          library[0m,
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  -------------------------------------------------------
