return 
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      [ 1, 11, 6, 2 ], [ 2, 5, 12, 7 ], [ 2, 6, 13, 3 ], [ 3, 13, 14, 9 ], 
      [ 15, 15, 8, 10 ], [ 4, 9, 14, 11 ], [ 4, 10, 12, 5 ], 
      [ 6, 11, 14, 13 ], [ 7, 12, 14, 8 ], [ 8, 13, 12, 10 ], [ 9, 9, 4, 3 ] ]
    , [ [ 2, 3, 4, 5 ], [ 1, 5, 6, 7 ], [ 15, 15, 1, 7 ], [ 1, 15, 9, 5 ], 
      [ 1, 4, 10, 2 ], [ 2, 10, 11, 12 ], [ 2, 12, 8, 3 ], [ 15, 7, 13, 9 ], 
      [ 4, 8, 14, 10 ], [ 5, 9, 14, 6 ], [ 6, 14, 13, 12 ], [ 6, 11, 13, 7 ], 
      [ 8, 12, 11, 14 ], [ 9, 13, 11, 10 ], [ 3, 3, 8, 4 ] ], 
  [ [ 2, 3, 4, 5 ], [ 1, 6, 7, 8 ], [ 1, 8, 9, 10 ], [ 1, 10, 11, 12 ], 
      [ 1, 12, 13, 6 ], [ 15, 15, 2, 5 ], [ 2, 15, 13, 8 ], [ 2, 7, 14, 3 ], 
      [ 3, 14, 11, 10 ], [ 3, 9, 11, 4 ], [ 4, 10, 9, 12 ], [ 4, 11, 14, 5 ], 
      [ 5, 14, 7, 15 ], [ 8, 13, 12, 9 ], [ 6, 6, 13, 7 ] ], 
  [ [ 2, 3, 4, 5 ], [ 1, 6, 7, 8 ], [ 15, 15, 1, 8 ], [ 1, 15, 10, 5 ], 
      [ 1, 4, 11, 6 ], [ 2, 5, 11, 12 ], [ 2, 12, 13, 14 ], [ 2, 14, 9, 3 ], 
      [ 15, 8, 14, 10 ], [ 4, 9, 13, 11 ], [ 5, 10, 12, 6 ], [ 6, 11, 13, 7 ],
      [ 7, 12, 10, 14 ], [ 7, 13, 9, 8 ], [ 3, 3, 9, 4 ] ], 
  [ [ 2, 3, 4, 5 ], [ 1, 6, 15, 8 ], [ 1, 8, 9, 4 ], [ 1, 3, 10, 5 ], 
      [ 1, 4, 11, 6 ], [ 2, 5, 12, 7 ], [ 15, 15, 6, 13 ], [ 2, 15, 13, 3 ], 
      [ 3, 13, 14, 10 ], [ 4, 9, 14, 11 ], [ 5, 10, 14, 12 ], 
      [ 6, 11, 14, 13 ], [ 7, 12, 9, 8 ], [ 9, 12, 11, 10 ], [ 7, 7, 8, 2 ] ],
  [ [ 2, 3, 4, 5 ], [ 15, 15, 1, 6 ], [ 1, 15, 8, 9 ], [ 1, 9, 10, 5 ], 
      [ 1, 4, 11, 6 ], [ 2, 5, 12, 7 ], [ 15, 6, 12, 8 ], [ 3, 7, 13, 14 ], 
      [ 3, 14, 10, 4 ], [ 4, 9, 14, 11 ], [ 5, 10, 13, 12 ], [ 6, 11, 13, 7 ],
      [ 8, 12, 11, 14 ], [ 8, 13, 10, 9 ], [ 2, 2, 7, 3 ] ], 
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      [ 15, 14, 4, 6 ], [ 2, 5, 10, 11 ], [ 2, 11, 12, 3 ], [ 3, 12, 13, 9 ], 
      [ 3, 8, 10, 4 ], [ 4, 9, 13, 6 ], [ 6, 13, 12, 7 ], [ 7, 11, 13, 8 ], 
      [ 8, 12, 11, 10 ], [ 15, 15, 1, 5 ], [ 14, 14, 5, 2 ] ], 
  [ [ 2, 3, 4, 15 ], [ 1, 6, 7, 8 ], [ 1, 8, 9, 4 ], [ 1, 3, 10, 5 ], 
      [ 15, 15, 4, 11 ], [ 2, 15, 11, 12 ], [ 2, 12, 13, 8 ], [ 2, 7, 13, 3 ],
      [ 3, 13, 14, 10 ], [ 4, 9, 14, 11 ], [ 5, 10, 12, 6 ], [ 6, 11, 14, 7 ],
      [ 7, 14, 9, 8 ], [ 9, 13, 12, 10 ], [ 5, 5, 6, 1 ] ], 
  [ [ 2, 3, 15, 5 ], [ 1, 6, 7, 8 ], [ 1, 8, 9, 4 ], [ 15, 15, 3, 9 ], 
      [ 1, 15, 9, 6 ], [ 2, 5, 10, 11 ], [ 2, 11, 12, 13 ], [ 2, 13, 10, 3 ], 
      [ 3, 10, 5, 4 ], [ 6, 9, 8, 14 ], [ 6, 14, 12, 7 ], [ 7, 11, 14, 13 ], 
      [ 7, 12, 14, 8 ], [ 10, 13, 12, 11 ], [ 4, 4, 5, 1 ] ], 
  [ [ 15, 3, 4, 5 ], [ 15, 15, 5, 6 ], [ 1, 7, 8, 9 ], [ 1, 9, 10, 11 ], 
      [ 1, 11, 6, 2 ], [ 2, 5, 12, 7 ], [ 15, 6, 13, 3 ], [ 3, 13, 14, 9 ], 
      [ 3, 8, 10, 4 ], [ 4, 9, 14, 11 ], [ 4, 10, 12, 5 ], [ 6, 11, 14, 13 ], 
      [ 7, 12, 14, 8 ], [ 8, 13, 12, 10 ], [ 2, 2, 7, 1 ] ], 
  [ [ 15, 15, 3, 4 ], [ 15, 6, 7, 3 ], [ 1, 2, 8, 9 ], [ 1, 9, 10, 5 ], 
      [ 15, 4, 11, 6 ], [ 2, 5, 12, 7 ], [ 2, 6, 12, 8 ], [ 3, 7, 13, 14 ], 
      [ 3, 14, 10, 4 ], [ 4, 9, 14, 11 ], [ 5, 10, 13, 12 ], [ 6, 11, 13, 7 ],
      [ 8, 12, 11, 14 ], [ 8, 13, 10, 9 ], [ 1, 1, 5, 2 ] ], 
  [ [ 15, 15, 4, 5 ], [ 15, 5, 6, 7 ], [ 15, 7, 8, 4 ], [ 1, 3, 9, 5 ], 
      [ 1, 4, 10, 2 ], [ 2, 10, 11, 12 ], [ 2, 12, 8, 3 ], [ 3, 7, 13, 9 ], 
      [ 4, 8, 14, 10 ], [ 5, 9, 14, 6 ], [ 6, 14, 13, 12 ], [ 6, 11, 13, 7 ], 
      [ 8, 12, 11, 14 ], [ 9, 13, 11, 10 ], [ 1, 1, 2, 3 ] ] ];
