Left reads:
          Input     :  21922507
           Mapped   :  15572533 (71.0% of input)
            of these:   2361124 (15.2%) have multiple alignments (27591 have >20)
Right reads:
          Input     :  21922507
           Mapped   :  14832746 (67.7% of input)
            of these:   2243980 (15.1%) have multiple alignments (27605 have >20)
69.3% overall read mapping rate.

Aligned pairs:  14158272
     of these:   2120401 (15.0%) have multiple alignments
                  221772 ( 1.6%) are discordant alignments
63.6% concordant pair alignment rate.