18591051 reads; of these:
  18591051 (100.00%) were paired; of these:
    10771059 (57.94%) aligned concordantly 0 times
    6981687 (37.55%) aligned concordantly exactly 1 time
    838305 (4.51%) aligned concordantly >1 times
    ----
    10771059 pairs aligned concordantly 0 times; of these:
      488486 (4.54%) aligned discordantly 1 time
    ----
    10282573 pairs aligned 0 times concordantly or discordantly; of these:
      20565146 mates make up the pairs; of these:
        19483661 (94.74%) aligned 0 times
        973206 (4.73%) aligned exactly 1 time
        108279 (0.53%) aligned >1 times
47.60% overall alignment rate