21622598 reads; of these:
  21622598 (100.00%) were paired; of these:
    17261477 (79.83%) aligned concordantly 0 times
    3613513 (16.71%) aligned concordantly exactly 1 time
    747608 (3.46%) aligned concordantly >1 times
    ----
    17261477 pairs aligned concordantly 0 times; of these:
      8416229 (48.76%) aligned discordantly 1 time
    ----
    8845248 pairs aligned 0 times concordantly or discordantly; of these:
      17690496 mates make up the pairs; of these:
        7649415 (43.24%) aligned 0 times
        7150246 (40.42%) aligned exactly 1 time
        2890835 (16.34%) aligned >1 times
82.31% overall alignment rate