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