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