20376418 reads; of these:
  20376418 (100.00%) were paired; of these:
    13672245 (67.10%) aligned concordantly 0 times
    5618415 (27.57%) aligned concordantly exactly 1 time
    1085758 (5.33%) aligned concordantly >1 times
    ----
    13672245 pairs aligned concordantly 0 times; of these:
      201922 (1.48%) aligned discordantly 1 time
    ----
    13470323 pairs aligned 0 times concordantly or discordantly; of these:
      26940646 mates make up the pairs; of these:
        24898680 (92.42%) aligned 0 times
        1693995 (6.29%) aligned exactly 1 time
        347971 (1.29%) aligned >1 times
38.90% overall alignment rate