Left reads:
          Input     :  30999879
           Mapped   :  17887861 (57.7% of input)
            of these:   2349056 (13.1%) have multiple alignments (30075 have >20)
Right reads:
          Input     :  30999879
           Mapped   :  16639160 (53.7% of input)
            of these:   2165304 (13.0%) have multiple alignments (30055 have >20)
55.7% overall read mapping rate.

Aligned pairs:  16121836
     of these:   2085369 (12.9%) have multiple alignments
                   97732 ( 0.6%) are discordant alignments
51.7% concordant pair alignment rate.