 id | level1Id | level2Id | level3Id | level4Id 
----+----------+----------+----------+----------
  1 |        1 |        2 |        3 |        4
  2 |        1 |        2 |        3 |        5
  3 |        6 |        7 |        8 |        9
  4 |        6 |        7 |        8 |       10
  5 |       11 |       12 |       13 |       14
  6 |       11 |       12 |       13 |       15
  7 |       16 |       17 |       18 |       19
  8 |       16 |       17 |       18 |       20
  9 |       21 |       22 |       23 |       24
 10 |       21 |       22 |       23 |       25
 11 |       26 |       27 |       28 |       29
 12 |       26 |       27 |       28 |       30
 13 |       31 |       32 |       33 |       34
 14 |       31 |       32 |       33 |       35
 15 |       36 |       37 |       38 |       39
 16 |       36 |       37 |       38 |       40
 17 |       41 |       42 |       43 |       44
 18 |       41 |       42 |       43 |       45
 19 |       46 |       47 |       48 |       49
 20 |       46 |       47 |       48 |       50
 21 |       51 |       52 |       53 |       54
 22 |       51 |       52 |       53 |       55
 23 |       56 |       57 |       58 |       59
 24 |       56 |       57 |       58 |       60
 25 |       61 |       62 |       63 |       64
 26 |       65 |       66 |       67 |       68
 27 |       69 |       70 |       71 |       72
 28 |       73 |       74 |       75 |       76
 29 |       77 |       78 |       79 |       80
 30 |       81 |       82 |       83 |       84
 31 |       85 |       86 |       87 |       88
 32 |       89 |       90 |       91 |       92
 33 |       93 |       94 |       95 |       96
 34 |       97 |       98 |       99 |      100
 35 |      101 |      102 |      103 |      104
(35 rows)

