Left reads:
          Input     :  31194702
           Mapped   :  17102829 (54.8% of input)
            of these:   2057195 (12.0%) have multiple alignments (25381 have >20)
Right reads:
          Input     :  31194702
           Mapped   :  15885653 (50.9% of input)
            of these:   1897013 (11.9%) have multiple alignments (25369 have >20)
52.9% overall read mapping rate.

Aligned pairs:  15400581
     of these:   1826253 (11.9%) have multiple alignments
                   65880 ( 0.4%) are discordant alignments
49.2% concordant pair alignment rate.