18440902 reads; of these:
  18440902 (100.00%) were paired; of these:
    10309946 (55.91%) aligned concordantly 0 times
    7012627 (38.03%) aligned concordantly exactly 1 time
    1118329 (6.06%) aligned concordantly >1 times
    ----
    10309946 pairs aligned concordantly 0 times; of these:
      704344 (6.83%) aligned discordantly 1 time
    ----
    9605602 pairs aligned 0 times concordantly or discordantly; of these:
      19211204 mates make up the pairs; of these:
        17924050 (93.30%) aligned 0 times
        1090390 (5.68%) aligned exactly 1 time
        196764 (1.02%) aligned >1 times
51.40% overall alignment rate