20620179 reads; of these:
  20620179 (100.00%) were paired; of these:
    12567864 (60.95%) aligned concordantly 0 times
    6646223 (32.23%) aligned concordantly exactly 1 time
    1406092 (6.82%) aligned concordantly >1 times
    ----
    12567864 pairs aligned concordantly 0 times; of these:
      623977 (4.96%) aligned discordantly 1 time
    ----
    11943887 pairs aligned 0 times concordantly or discordantly; of these:
      23887774 mates make up the pairs; of these:
        22708015 (95.06%) aligned 0 times
        1024122 (4.29%) aligned exactly 1 time
        155637 (0.65%) aligned >1 times
44.94% overall alignment rate