31811965 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
31811965 + 0 mapped (100.00%:-nan%)
31811965 + 0 paired in sequencing
16321066 + 0 read1
15490899 + 0 read2
28376872 + 0 properly paired (89.20%:-nan%)
29570202 + 0 with itself and mate mapped
2241763 + 0 singletons (7.05%:-nan%)
476326 + 0 with mate mapped to a different chr
354710 + 0 with mate mapped to a different chr (mapQ>=5)