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