Left reads:
          Input     :    519113
           Mapped   :    459097 (88.4% of input)
            of these:     13443 ( 2.9%) have multiple alignments (566 have >20)
Right reads:
          Input     :    519113
           Mapped   :    438374 (84.4% of input)
            of these:     13094 ( 3.0%) have multiple alignments (566 have >20)
86.4% overall read mapping rate.

Aligned pairs:    401156
     of these:     11687 ( 2.9%) have multiple alignments
                    6680 ( 1.7%) are discordant alignments
76.0% concordant pair alignment rate.