21939168 reads; of these:
  21939168 (100.00%) were paired; of these:
    9390610 (42.80%) aligned concordantly 0 times
    2499861 (11.39%) aligned concordantly exactly 1 time
    10048697 (45.80%) aligned concordantly >1 times
    ----
    9390610 pairs aligned concordantly 0 times; of these:
      78523 (0.84%) aligned discordantly 1 time
    ----
    9312087 pairs aligned 0 times concordantly or discordantly; of these:
      18624174 mates make up the pairs; of these:
        16205014 (87.01%) aligned 0 times
        523009 (2.81%) aligned exactly 1 time
        1896151 (10.18%) aligned >1 times
63.07% overall alignment rate