Left reads:
          Input     :  37231352
           Mapped   :  34723420 (93.3% of input)
            of these:   4552045 (13.1%) have multiple alignments (211616 have >20)
Right reads:
          Input     :  37231352
           Mapped   :  32641520 (87.7% of input)
            of these:   4274515 (13.1%) have multiple alignments (209646 have >20)
90.5% overall read mapping rate.

Aligned pairs:  31776265
     of these:   4147326 (13.1%) have multiple alignments
                  251494 ( 0.8%) are discordant alignments
84.7% concordant pair alignment rate.