[ [ 4, 7, 9, 11, 15, 25, 26, 28, 32 ], 
  [ 2, 3, 6, 7, 8, 9, 9, 10, 10, 11, 11, 12, 13, 15, 16, 17, 17, 18, 19, 19, 20, 20, 21, 21, 22, 23, 
      24, 25, 26, 27, 30, 31, 32, 33, 34, 36 ] ]