Left reads:
          Input     :  31965644
           Mapped   :  16889115 (52.8% of input)
            of these:   1265644 ( 7.5%) have multiple alignments (13528 have >20)
Right reads:
          Input     :  31965644
           Mapped   :  15860603 (49.6% of input)
            of these:   1186868 ( 7.5%) have multiple alignments (13500 have >20)
51.2% overall read mapping rate.

Aligned pairs:  15400248
     of these:   1151871 ( 7.5%) have multiple alignments
                   55543 ( 0.4%) are discordant alignments
48.0% concordant pair alignment rate.