Left reads:
          Input     :  27561714
           Mapped   :  19616549 (71.2% of input)
            of these:   2366703 (12.1%) have multiple alignments (104065 have >20)
Right reads:
          Input     :  27561714
           Mapped   :  18665994 (67.7% of input)
            of these:   2258942 (12.1%) have multiple alignments (98763 have >20)
69.4% overall read mapping rate.

Aligned pairs:  17803735
     of these:   2140423 (12.0%) have multiple alignments
                  304868 ( 1.7%) are discordant alignments
63.5% concordant pair alignment rate.