21854953 reads; of these:
  21854953 (100.00%) were paired; of these:
    5391607 (24.67%) aligned concordantly 0 times
    15908858 (72.79%) aligned concordantly exactly 1 time
    554488 (2.54%) aligned concordantly >1 times
    ----
    5391607 pairs aligned concordantly 0 times; of these:
      198635 (3.68%) aligned discordantly 1 time
    ----
    5192972 pairs aligned 0 times concordantly or discordantly; of these:
      10385944 mates make up the pairs; of these:
        8241453 (79.35%) aligned 0 times
        1980798 (19.07%) aligned exactly 1 time
        163693 (1.58%) aligned >1 times
81.15% overall alignment rate