Left reads: Input : 57237978 Mapped : 50803890 (88.8% of input) of these: 3952771 ( 7.8%) have multiple alignments (76879 have >20) Right reads: Input : 57237978 Mapped : 49098781 (85.8% of input) of these: 3733173 ( 7.6%) have multiple alignments (76228 have >20) 87.3% overall read mapping rate. Aligned pairs: 45212567 of these: 3174774 ( 7.0%) have multiple alignments 3956347 ( 8.8%) are discordant alignments 72.1% concordant pair alignment rate.