4178639 reads; of these:
  4178639 (100.00%) were paired; of these:
    795714 (19.04%) aligned concordantly 0 times
    2655272 (63.54%) aligned concordantly exactly 1 time
    727653 (17.41%) aligned concordantly >1 times
    ----
    795714 pairs aligned concordantly 0 times; of these:
      196305 (24.67%) aligned discordantly 1 time
    ----
    599409 pairs aligned 0 times concordantly or discordantly; of these:
      1198818 mates make up the pairs; of these:
        600824 (50.12%) aligned 0 times
        458208 (38.22%) aligned exactly 1 time
        139786 (11.66%) aligned >1 times
92.81% overall alignment rate