Left reads:
          Input     :  41851618
           Mapped   :  38074167 (91.0% of input)
            of these:   4431481 (11.6%) have multiple alignments (353183 have >20)
Right reads:
          Input     :  41851618
           Mapped   :  37169465 (88.8% of input)
            of these:   4325141 (11.6%) have multiple alignments (351779 have >20)
89.9% overall read mapping rate.

Aligned pairs:  36017238
     of these:   4178765 (11.6%) have multiple alignments
                  346495 ( 1.0%) are discordant alignments
85.2% concordant pair alignment rate.