Left reads:
          Input     :  49172159
           Mapped   :  45788930 (93.1% of input)
            of these:   4690475 (10.2%) have multiple alignments (346394 have >20)
Right reads:
          Input     :  49172159
           Mapped   :  45191593 (91.9% of input)
            of these:   4614436 (10.2%) have multiple alignments (344308 have >20)
92.5% overall read mapping rate.

Aligned pairs:  44042272
     of these:   4482237 (10.2%) have multiple alignments
                  297972 ( 0.7%) are discordant alignments
89.0% concordant pair alignment rate.