19868657 reads; of these:
  19868657 (100.00%) were paired; of these:
    16162043 (81.34%) aligned concordantly 0 times
    2948793 (14.84%) aligned concordantly exactly 1 time
    757821 (3.81%) aligned concordantly >1 times
    ----
    16162043 pairs aligned concordantly 0 times; of these:
      7697146 (47.62%) aligned discordantly 1 time
    ----
    8464897 pairs aligned 0 times concordantly or discordantly; of these:
      16929794 mates make up the pairs; of these:
        7173653 (42.37%) aligned 0 times
        6770725 (39.99%) aligned exactly 1 time
        2985416 (17.63%) aligned >1 times
81.95% overall alignment rate