Left reads:
          Input     :  22999831
           Mapped   :  20994935 (91.3% of input)
            of these:   1518862 ( 7.2%) have multiple alignments (47109 have >20)
Right reads:
          Input     :  22999831
           Mapped   :  19132864 (83.2% of input)
            of these:   1339291 ( 7.0%) have multiple alignments (46507 have >20)
87.2% overall read mapping rate.

Aligned pairs:  18776321
     of these:   1298714 ( 6.9%) have multiple alignments
                  462177 ( 2.5%) are discordant alignments
79.6% concordant pair alignment rate.