21440 reads; of these:
  21440 (100.00%) were paired; of these:
    20636 (96.25%) aligned concordantly 0 times
    667 (3.11%) aligned concordantly exactly 1 time
    137 (0.64%) aligned concordantly >1 times
    ----
    20636 pairs aligned concordantly 0 times; of these:
      935 (4.53%) aligned discordantly 1 time
    ----
    19701 pairs aligned 0 times concordantly or discordantly; of these:
      39402 mates make up the pairs; of these:
        31345 (79.55%) aligned 0 times
        5843 (14.83%) aligned exactly 1 time
        2214 (5.62%) aligned >1 times
26.90% overall alignment rate