21155392 reads; of these:
  21155392 (100.00%) were paired; of these:
    9060987 (42.83%) aligned concordantly 0 times
    10151057 (47.98%) aligned concordantly exactly 1 time
    1943348 (9.19%) aligned concordantly >1 times
    ----
    9060987 pairs aligned concordantly 0 times; of these:
      2698006 (29.78%) aligned discordantly 1 time
    ----
    6362981 pairs aligned 0 times concordantly or discordantly; of these:
      12725962 mates make up the pairs; of these:
        11289613 (88.71%) aligned 0 times
        838301 (6.59%) aligned exactly 1 time
        598048 (4.70%) aligned >1 times
73.32% overall alignment rate