Left reads:
          Input     :  19730321
           Mapped   :  18647580 (94.5% of input)
            of these:   1132351 ( 6.1%) have multiple alignments (33150 have >20)
Right reads:
          Input     :  19730321
           Mapped   :  17477076 (88.6% of input)
            of these:   1033322 ( 5.9%) have multiple alignments (32838 have >20)
91.5% overall read mapping rate.

Aligned pairs:  17188897
     of these:   1008484 ( 5.9%) have multiple alignments
                  260933 ( 1.5%) are discordant alignments
85.8% concordant pair alignment rate.