Left reads:
          Input     :  20386875
           Mapped   :  19225564 (94.3% of input)
            of these:   2433056 (12.7%) have multiple alignments (278182 have >20)
Right reads:
          Input     :  20386875
           Mapped   :  19007261 (93.2% of input)
            of these:   2442196 (12.8%) have multiple alignments (278164 have >20)
93.8% overall read mapping rate.

Aligned pairs:  18384688
     of these:   2314227 (12.6%) have multiple alignments
                 1118691 ( 6.1%) are discordant alignments
84.7% concordant pair alignment rate.