21854798 reads; of these:
  21854798 (100.00%) were paired; of these:
    6057409 (27.72%) aligned concordantly 0 times
    15314498 (70.07%) aligned concordantly exactly 1 time
    482891 (2.21%) aligned concordantly >1 times
    ----
    6057409 pairs aligned concordantly 0 times; of these:
      47050 (0.78%) aligned discordantly 1 time
    ----
    6010359 pairs aligned 0 times concordantly or discordantly; of these:
      12020718 mates make up the pairs; of these:
        9749196 (81.10%) aligned 0 times
        2144116 (17.84%) aligned exactly 1 time
        127406 (1.06%) aligned >1 times
77.70% overall alignment rate