12386509 reads; of these:
  12386509 (100.00%) were unpaired; of these:
    3321453 (26.82%) aligned 0 times
    6390289 (51.59%) aligned exactly 1 time
    2674767 (21.59%) aligned >1 times
73.18% overall alignment rate
12386509 reads; of these:
  12386509 (100.00%) were unpaired; of these:
    3321453 (26.82%) aligned 0 times
    6390289 (51.59%) aligned exactly 1 time
    2674767 (21.59%) aligned >1 times
73.18% overall alignment rate
[bam_sort_core] merging from 6 files...