Left reads:
          Input     :  31225712
           Mapped   :  17390548 (55.7% of input)
            of these:   1965323 (11.3%) have multiple alignments (24089 have >20)
Right reads:
          Input     :  31225712
           Mapped   :  16194835 (51.9% of input)
            of these:   1822069 (11.3%) have multiple alignments (24059 have >20)
53.8% overall read mapping rate.

Aligned pairs:  15715949
     of these:   1757863 (11.2%) have multiple alignments
                   64516 ( 0.4%) are discordant alignments
50.1% concordant pair alignment rate.