Left reads:
          Input     :  23851221
           Mapped   :  22471729 (94.2% of input)
            of these:   1995214 ( 8.9%) have multiple alignments (59943 have >20)
Right reads:
          Input     :  23851221
           Mapped   :  22051927 (92.5% of input)
            of these:   1975069 ( 9.0%) have multiple alignments (59918 have >20)
93.3% overall read mapping rate.

Aligned pairs:  21741660
     of these:   1939125 ( 8.9%) have multiple alignments
                  200413 ( 0.9%) are discordant alignments
90.3% concordant pair alignment rate.