19248425 reads; of these:
  19248425 (100.00%) were paired; of these:
    3438919 (17.87%) aligned concordantly 0 times
    15189722 (78.91%) aligned concordantly exactly 1 time
    619784 (3.22%) aligned concordantly >1 times
    ----
    3438919 pairs aligned concordantly 0 times; of these:
      160234 (4.66%) aligned discordantly 1 time
    ----
    3278685 pairs aligned 0 times concordantly or discordantly; of these:
      6557370 mates make up the pairs; of these:
        4949896 (75.49%) aligned 0 times
        1495962 (22.81%) aligned exactly 1 time
        111512 (1.70%) aligned >1 times
87.14% overall alignment rate