20131685 reads; of these:
  20131685 (100.00%) were paired; of these:
    4494696 (22.33%) aligned concordantly 0 times
    14969585 (74.36%) aligned concordantly exactly 1 time
    667404 (3.32%) aligned concordantly >1 times
    ----
    4494696 pairs aligned concordantly 0 times; of these:
      194477 (4.33%) aligned discordantly 1 time
    ----
    4300219 pairs aligned 0 times concordantly or discordantly; of these:
      8600438 mates make up the pairs; of these:
        6559654 (76.27%) aligned 0 times
        1754287 (20.40%) aligned exactly 1 time
        286497 (3.33%) aligned >1 times
83.71% overall alignment rate