[ [ 1, 9, 10, 21, 24, 26, 27, 31, 37, 38, 48 ], 
  [ 1, 1, 3, 4, 4, 5, 6, 6, 11, 13, 13, 13, 13, 16, 16, 19, 21, 21, 22, 22, 22, 22, 24, 25, 25, 28, 29, 
      31, 33, 33, 35, 35, 36, 37, 37, 37, 37, 40, 40, 40, 40, 41, 41, 43, 43, 45, 46, 46, 47, 48, 49, 
      49, 51, 53, 55 ] ]