tests/pass-group-blk-label-2.nt

   1 00
   2 !group
   3   11 [mix:8] 22 <mix>
   4   !group
   5     <meow> [meow + mix : 8]
   6   !end * 3
   7   33
   8 !end * 2
   9 44
  10 ---
  11 00
  12
  13 11 04 22
  14   08
  15   09
  16   0a
  17 33
  18
  19 11 0b 22
  20   16
  21   17
  22   18
  23 33
  24
  25 44