[ [ [ 1, 5, 16 ], [ 2, 6, 15 ], [ 4, 7, 12 ], [ 3, 8, 11 ], [ 1, 6, 14 ], [ 2, 5, 13 ], [ 3, 7, 10 ], [ 4, 8, 9 ], [ 7, 13, 16 ], 
      [ 8, 14, 15 ], [ 4, 14, 16 ], [ 3, 13, 15 ], [ 5, 9, 11 ], [ 6, 10, 12 ], [ 2, 9, 12 ], [ 1, 10, 11 ] ] ]