[ [ 1, 9, 10, 12, 15, 20, 44, 46, 51, 54, 55 ], 
  [ 3, 5, 5, 6, 6, 7, 9, 13, 15, 16, 16, 17, 18, 20, 22, 23, 24, 25, 26, 27, 32, 33, 35, 35, 37, 38, 
      39, 39, 39, 39, 39, 39, 39, 40, 41, 42, 43, 43, 44, 44, 45, 46, 46, 47, 48, 48, 49, 49, 50, 51, 
      51, 53, 53, 55, 55 ] ]