Left reads:
          Input     :  18559768
           Mapped   :  17378860 (93.6% of input)
            of these:   2105299 (12.1%) have multiple alignments (261554 have >20)
Right reads:
          Input     :  18559768
           Mapped   :  17305884 (93.2% of input)
            of these:   2138438 (12.4%) have multiple alignments (261507 have >20)
93.4% overall read mapping rate.

Aligned pairs:  16677538
     of these:   2007961 (12.0%) have multiple alignments
                  971961 ( 5.8%) are discordant alignments
84.6% concordant pair alignment rate.