Left reads:
          Input     :  23054045
           Mapped   :  20836672 (90.4% of input)
            of these:   1845357 ( 8.9%) have multiple alignments (98712 have >20)
Right reads:
          Input     :  23054045
           Mapped   :  19223585 (83.4% of input)
            of these:   1671267 ( 8.7%) have multiple alignments (98288 have >20)
86.9% overall read mapping rate.

Aligned pairs:  18870709
     of these:   1626591 ( 8.6%) have multiple alignments
                  346367 ( 1.8%) are discordant alignments
80.4% concordant pair alignment rate.