Left reads:
          Input     :  33119767
           Mapped   :  18438220 (55.7% of input)
            of these:   1662239 ( 9.0%) have multiple alignments (20882 have >20)
Right reads:
          Input     :  33119767
           Mapped   :  17247421 (52.1% of input)
            of these:   1550732 ( 9.0%) have multiple alignments (20844 have >20)
53.9% overall read mapping rate.

Aligned pairs:  16746896
     of these:   1500035 ( 9.0%) have multiple alignments
                   66892 ( 0.4%) are discordant alignments
50.4% concordant pair alignment rate.