19248425 reads; of these:
  19248425 (100.00%) were paired; of these:
    3272791 (17.00%) aligned concordantly 0 times
    15317294 (79.58%) aligned concordantly exactly 1 time
    658340 (3.42%) aligned concordantly >1 times
    ----
    3272791 pairs aligned concordantly 0 times; of these:
      163003 (4.98%) aligned discordantly 1 time
    ----
    3109788 pairs aligned 0 times concordantly or discordantly; of these:
      6219576 mates make up the pairs; of these:
        4695285 (75.49%) aligned 0 times
        1385926 (22.28%) aligned exactly 1 time
        138365 (2.22%) aligned >1 times
87.80% overall alignment rate