22  Cas13crRNA
    1 U       0    2   21    1
    2 G       1    3   20    2
    3 G       2    4   19    3
    4 U       3    5   18    4
    5 C       4    6   17    5
    6 U       5    7    0    6
    7 G       6    8    0    7
    8 C       7    9    0    8
    9 A       8   10    0    9
   10 A       9   11    0   10
   11 A      10   12    0   11
   12 G      11   13    0   12
   13 A      12   14    0   13
   14 G      13   15    0   14
   15 A      14   16    0   15
   16 U      15   17    0   16
   17 G      16   18    5   17
   18 A      17   19    4   18
   19 C      18   20    3   19
   20 U      19   21    2   20
   21 G      20   22    1   21
   22 U      21    0    0   22