19677411 reads; of these:
  19677411 (100.00%) were paired; of these:
    6185349 (31.43%) aligned concordantly 0 times
    11072476 (56.27%) aligned concordantly exactly 1 time
    2419586 (12.30%) aligned concordantly >1 times
    ----
    6185349 pairs aligned concordantly 0 times; of these:
      234886 (3.80%) aligned discordantly 1 time
    ----
    5950463 pairs aligned 0 times concordantly or discordantly; of these:
      11900926 mates make up the pairs; of these:
        9433906 (79.27%) aligned 0 times
        1916029 (16.10%) aligned exactly 1 time
        550991 (4.63%) aligned >1 times
76.03% overall alignment rate