--- [5] [17] 
  --- [3] [12] 
  --- [2] [3] 
  --- (?) [2] [9] 
  --- [3] [4] 
  --- [2] [3] 
  --- [9] [24] 
  --- [6] [23] 
  --- [9] [19] 
  --- [5] [14] 
  --- [11] [52] 
  ()--- [2] [3] 
  --- [6] [28] 
()   () --- ()
  --- (?) [2] [5] 
  --- (?) [4] [23] 
  --- [2] [2] 
  --- [5] [12] 
  --- [4] [39] 
  --- [15] [175]