Left reads:
          Input     :  28395815
           Mapped   :  18930596 (66.7% of input)
            of these:    731135 ( 3.9%) have multiple alignments (142373 have >20)
Right reads:
          Input     :  28395815
           Mapped   :  18340771 (64.6% of input)
            of these:    836260 ( 4.6%) have multiple alignments (142373 have >20)
65.6% overall read mapping rate.

Aligned pairs:  17442159
     of these:    531567 ( 3.0%) have multiple alignments
                   71267 ( 0.4%) are discordant alignments
61.2% concordant pair alignment rate.