Left reads:
          Input     :  21135920
           Mapped   :  19705167 (93.2% of input)
            of these:   2834251 (14.4%) have multiple alignments (57617 have >20)
Right reads:
          Input     :  21135920
           Mapped   :  18168678 (86.0% of input)
            of these:   2588829 (14.2%) have multiple alignments (55761 have >20)
89.6% overall read mapping rate.

Aligned pairs:  17526578
     of these:   2486643 (14.2%) have multiple alignments
                   85380 ( 0.5%) are discordant alignments
82.5% concordant pair alignment rate.