21276094 reads; of these:
  21276094 (100.00%) were paired; of these:
    17134708 (80.54%) aligned concordantly 0 times
    3292793 (15.48%) aligned concordantly exactly 1 time
    848593 (3.99%) aligned concordantly >1 times
    ----
    17134708 pairs aligned concordantly 0 times; of these:
      7783102 (45.42%) aligned discordantly 1 time
    ----
    9351606 pairs aligned 0 times concordantly or discordantly; of these:
      18703212 mates make up the pairs; of these:
        8253998 (44.13%) aligned 0 times
        7235737 (38.69%) aligned exactly 1 time
        3213477 (17.18%) aligned >1 times
80.60% overall alignment rate