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