17717144 reads; of these:
  17717144 (100.00%) were paired; of these:
    4244747 (23.96%) aligned concordantly 0 times
    13025036 (73.52%) aligned concordantly exactly 1 time
    447361 (2.53%) aligned concordantly >1 times
    ----
    4244747 pairs aligned concordantly 0 times; of these:
      168276 (3.96%) aligned discordantly 1 time
    ----
    4076471 pairs aligned 0 times concordantly or discordantly; of these:
      8152942 mates make up the pairs; of these:
        6520506 (79.98%) aligned 0 times
        1498021 (18.37%) aligned exactly 1 time
        134415 (1.65%) aligned >1 times
81.60% overall alignment rate