19497147 reads; of these:
  19497147 (100.00%) were paired; of these:
    4121719 (21.14%) aligned concordantly 0 times
    14870484 (76.27%) aligned concordantly exactly 1 time
    504944 (2.59%) aligned concordantly >1 times
    ----
    4121719 pairs aligned concordantly 0 times; of these:
      140988 (3.42%) aligned discordantly 1 time
    ----
    3980731 pairs aligned 0 times concordantly or discordantly; of these:
      7961462 mates make up the pairs; of these:
        5956319 (74.81%) aligned 0 times
        1846368 (23.19%) aligned exactly 1 time
        158775 (1.99%) aligned >1 times
84.73% overall alignment rate