Left reads:
          Input     :  33384306
           Mapped   :  31286470 (93.7% of input)
            of these:   4630276 (14.8%) have multiple alignments (672910 have >20)
Right reads:
          Input     :  33384306
           Mapped   :  30296212 (90.7% of input)
            of these:   4507909 (14.9%) have multiple alignments (665586 have >20)
92.2% overall read mapping rate.

Aligned pairs:  29537916
     of these:   4402577 (14.9%) have multiple alignments
                  161598 ( 0.5%) are discordant alignments
88.0% concordant pair alignment rate.