Left reads:
          Input     :  15728253
           Mapped   :  14181017 (90.2% of input)
            of these:   1183874 ( 8.3%) have multiple alignments (31006 have >20)
Right reads:
          Input     :  15728253
           Mapped   :  13110903 (83.4% of input)
            of these:   1068367 ( 8.1%) have multiple alignments (30662 have >20)
86.8% overall read mapping rate.

Aligned pairs:  12811498
     of these:   1029644 ( 8.0%) have multiple alignments
                  344305 ( 2.7%) are discordant alignments
79.3% concordant pair alignment rate.