Left reads:
          Input     :  28256339
           Mapped   :  21311996 (75.4% of input)
            of these:    477005 ( 2.2%) have multiple alignments (35326 have >20)
Right reads:
          Input     :  28256339
           Mapped   :  20611046 (72.9% of input)
            of these:    462274 ( 2.2%) have multiple alignments (35326 have >20)
74.2% overall read mapping rate.

Aligned pairs:  19922484
     of these:    439240 ( 2.2%) have multiple alignments
                  116853 ( 0.6%) are discordant alignments
70.1% concordant pair alignment rate.