20350520 + 0 in total (QC-passed reads + QC-failed reads)
0 + 0 duplicates
20350520 + 0 mapped (100.00%:-nan%)
20350520 + 0 paired in sequencing
10907109 + 0 read1
9443411 + 0 read2
10290778 + 0 properly paired (50.57%:-nan%)
18479046 + 0 with itself and mate mapped
1871474 + 0 singletons (9.20%:-nan%)
346764 + 0 with mate mapped to a different chr
346764 + 0 with mate mapped to a different chr (mapQ>=5)