Left reads: Input : 19783465 Mapped : 10234756 (51.7% of input) of these: 753207 ( 7.4%) have multiple alignments (329517 have >20) Right reads: Input : 19783465 Mapped : 9993211 (50.5% of input) of these: 748667 ( 7.5%) have multiple alignments (329517 have >20) 51.1% overall read mapping rate. Aligned pairs: 9408979 of these: 539416 ( 5.7%) have multiple alignments 30326 ( 0.3%) are discordant alignments 47.4% concordant pair alignment rate.