18791435 reads; of these:
  18791435 (100.00%) were paired; of these:
    3151806 (16.77%) aligned concordantly 0 times
    15005356 (79.85%) aligned concordantly exactly 1 time
    634273 (3.38%) aligned concordantly >1 times
    ----
    3151806 pairs aligned concordantly 0 times; of these:
      105279 (3.34%) aligned discordantly 1 time
    ----
    3046527 pairs aligned 0 times concordantly or discordantly; of these:
      6093054 mates make up the pairs; of these:
        4378086 (71.85%) aligned 0 times
        1602412 (26.30%) aligned exactly 1 time
        112556 (1.85%) aligned >1 times
88.35% overall alignment rate