Left reads:
          Input     :    666636
           Mapped   :    545439 (81.8% of input)
            of these:     17603 ( 3.2%) have multiple alignments (2359 have >20)
Right reads:
          Input     :    666636
           Mapped   :    538988 (80.9% of input)
            of these:     17436 ( 3.2%) have multiple alignments (2361 have >20)
81.3% overall read mapping rate.

Aligned pairs:    495016
     of these:     16000 ( 3.2%) have multiple alignments
                    5254 ( 1.1%) are discordant alignments
73.5% concordant pair alignment rate.