18719382 reads; of these:
  18719382 (100.00%) were paired; of these:
    3586501 (19.16%) aligned concordantly 0 times
    14538920 (77.67%) aligned concordantly exactly 1 time
    593961 (3.17%) aligned concordantly >1 times
    ----
    3586501 pairs aligned concordantly 0 times; of these:
      160979 (4.49%) aligned discordantly 1 time
    ----
    3425522 pairs aligned 0 times concordantly or discordantly; of these:
      6851044 mates make up the pairs; of these:
        5116684 (74.68%) aligned 0 times
        1586766 (23.16%) aligned exactly 1 time
        147594 (2.15%) aligned >1 times
86.33% overall alignment rate