Left reads:
          Input     :    489777
           Mapped   :    437049 (89.2% of input)
            of these:     13468 ( 3.1%) have multiple alignments (520 have >20)
Right reads:
          Input     :    489777
           Mapped   :    412460 (84.2% of input)
            of these:     12762 ( 3.1%) have multiple alignments (520 have >20)
86.7% overall read mapping rate.

Aligned pairs:    379793
     of these:     11588 ( 3.1%) have multiple alignments
                    6014 ( 1.6%) are discordant alignments
76.3% concordant pair alignment rate.