20655584 reads; of these:
  20655584 (100.00%) were paired; of these:
    1578512 (7.64%) aligned concordantly 0 times
    2124027 (10.28%) aligned concordantly exactly 1 time
    16953045 (82.07%) aligned concordantly >1 times
    ----
    1578512 pairs aligned concordantly 0 times; of these:
      29873 (1.89%) aligned discordantly 1 time
    ----
    1548639 pairs aligned 0 times concordantly or discordantly; of these:
      3097278 mates make up the pairs; of these:
        1937829 (62.57%) aligned 0 times
        160476 (5.18%) aligned exactly 1 time
        998973 (32.25%) aligned >1 times
95.31% overall alignment rate