19567634 reads; of these:
  19567634 (100.00%) were paired; of these:
    4124797 (21.08%) aligned concordantly 0 times
    14898004 (76.14%) aligned concordantly exactly 1 time
    544833 (2.78%) aligned concordantly >1 times
    ----
    4124797 pairs aligned concordantly 0 times; of these:
      166120 (4.03%) aligned discordantly 1 time
    ----
    3958677 pairs aligned 0 times concordantly or discordantly; of these:
      7917354 mates make up the pairs; of these:
        5938302 (75.00%) aligned 0 times
        1795044 (22.67%) aligned exactly 1 time
        184008 (2.32%) aligned >1 times
84.83% overall alignment rate