19567634 reads; of these:
  19567634 (100.00%) were paired; of these:
    3955313 (20.21%) aligned concordantly 0 times
    14999979 (76.66%) aligned concordantly exactly 1 time
    612342 (3.13%) aligned concordantly >1 times
    ----
    3955313 pairs aligned concordantly 0 times; of these:
      166215 (4.20%) aligned discordantly 1 time
    ----
    3789098 pairs aligned 0 times concordantly or discordantly; of these:
      7578196 mates make up the pairs; of these:
        5658530 (74.67%) aligned 0 times
        1660985 (21.92%) aligned exactly 1 time
        258681 (3.41%) aligned >1 times
85.54% overall alignment rate