Left reads:
          Input     :  20653804
           Mapped   :  17237775 (83.5% of input)
            of these:    682484 ( 4.0%) have multiple alignments (12406 have >20)
Right reads:
          Input     :  20653804
           Mapped   :  17591470 (85.2% of input)
            of these:    698805 ( 4.0%) have multiple alignments (12408 have >20)
84.3% overall read mapping rate.

Aligned pairs:  15980916
     of these:    622409 ( 3.9%) have multiple alignments
                   82065 ( 0.5%) are discordant alignments
77.0% concordant pair alignment rate.