[ [ 7, 8, 9, 12, 29, 30, 37, 38, 42, 43, 47 ], 
  [ 2, 3, 4, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 13, 14, 15, 16, 17, 17, 18, 19, 21, 22, 22, 23, 24, 
      25, 26, 28, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 40, 41, 41, 47, 47, 48, 49, 50, 
      51, 52, 53, 54 ] ]