4488169 reads; of these:
  4488169 (100.00%) were paired; of these:
    336296 (7.49%) aligned concordantly 0 times
    4035389 (89.91%) aligned concordantly exactly 1 time
    116484 (2.60%) aligned concordantly >1 times
    ----
    336296 pairs aligned concordantly 0 times; of these:
      39768 (11.83%) aligned discordantly 1 time
    ----
    296528 pairs aligned 0 times concordantly or discordantly; of these:
      593056 mates make up the pairs; of these:
        349892 (59.00%) aligned 0 times
        234695 (39.57%) aligned exactly 1 time
        8469 (1.43%) aligned >1 times
96.10% overall alignment rate